Answer:
Step-by-step explanation:
While working at his neighborhood math tutoring center researching the comprehension level of the students Dion investigated that the distribution of the student test scores are normally distributed with a mean of 79.13 and a standard deviation of 6.34. What is the probability that the student scores less than 60.11
We solve using z score formula
z = (x-μ)/σ, where x is the raw score, μ is the population mean, and σ is the population standard deviation.
z = 60.11 - 79.13/6.34
Choose the correct term to complete each sentence.You can find the missing measures of any triangle by using the________ if you know the measures of two angles and a side.
You can find the missing measures of any triangle by using the________ if you know the measures of two angles and a side. The correct term to complete the sentence is "Law of Sines."
The Law of Sines can be used to find the missing measures of any triangle if you know the measures of two angles and a side. Here's how it works:
1. Write down the given information. Make sure you know the measures of two angles and a side of the triangle.
2. Apply the Law of Sines formula, which states that in any triangle, the ratio of the length of a side to the sine of its opposite angle is constant. The formula is as follows:
a/sin(A) = b/sin(B) = c/sin(C)
where a, b, and c are the lengths of the sides, and A, B, and C are the measures of the angles.
3. Identify the known values and the unknown value you want to find. Substitute the known values into the formula.
4. Solve the equation to find the unknown value. You can use algebraic methods, such as cross-multiplication and simplification, to find the missing measure.
5. Check your solution by ensuring that it satisfies the conditions of the problem and makes sense in the context of the triangle.
By using the Law of Sines, you can determine the missing measures of a triangle when you know the measures of two angles and a side.
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In Spring 2017, data was collected from a random selection of STA 2023 students. One of the questions asked how many hours they had exercised in the past 24 hours.For the 39 randomly selected upperclassmen, the sample mean was 0.76 and sample standard deviation was 0.75.For the 35 randomly selected underclassmen, the sample mean was 0.60 and the sample standard deviation was 0.73.What is the point estimate of the difference in the population mean exercised between underclassmen and upperclassmen?
The point estimate of the difference in the population mean exercised between underclassmen and upperclassmen is 0.16 hours.
In this case, we are estimating the difference in population means between two groups - upperclassmen and underclassmen. The point estimate is calculated by subtracting the sample mean of the underclassmen from the sample mean of the upperclassmen, which gives us
0.76 - 0.60 = 0.16.
the point estimate of the difference in population mean exercised between underclassmen and upperclassmen is 0.16 hours, which was calculated by subtracting the sample mean of underclassmen from the sample mean of upperclassmen.
Point Estimate = (Sample Mean of Upperclassmen) - (Sample Mean of Underclassmen)
Point Estimate = (0.76) - (0.60)
Point Estimate = 0.16
Hence, the point estimate of 0.16 suggests that, on average, upperclassmen exercised 0.16 hours more than underclassmen in the past 24 hours. This is a rough estimate of the difference between the two population means based on the provided sample data.
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(a) cause-in-fact (b) assumption of risk (c) seclusion (d) res ipsa loquitur (e) slander (f) punitive damages (g) absolute privilege
The legal context and definitions are (a) Negligence - Establishes the link between the defendant's actions and the plaintiff's harm. (b) Negligence defenses - Plaintiff voluntarily accepts known risks, relieving the defendant of liability. (c) Invasion of privacy - Unjustified intrusion into private affairs that would offend a reasonable person. (d) Negligence - Accident itself suggests defendant's negligence without direct evidence (e) Defamation - False spoken statements harming someone's reputation (f) Monetary awards to punish and deter egregious behavior. (g) Defamation defenses - Immunity for certain statements made in specific contexts.
(a) Cause-in-fact
Legal context: Negligence.
Definition: Cause-in-fact refers to the actual cause or link between the defendant's conduct and the plaintiff's harm, establishing that the harm would not have occurred without the defendant's actions.
(b) Assumption of risk
Legal context: Negligence defenses.
Definition: Assumption of risk is a defense in negligence cases where the plaintiff voluntarily and knowingly accepts the risks associated with a certain activity, relieving the defendant of liability for any resulting harm.
(c) Seclusion
Legal context: Invasion of privacy.
Definition: Seclusion refers to the intentional and unjustified intrusion into an individual's private affairs or seclusion, which would highly offend a reasonable person.
(d) Res ipsa loquitur
Legal context: Negligence.
Definition: Res ipsa loquitur is a doctrine where the occurrence of an accident or injury itself suggests that the defendant was negligent, allowing the plaintiff to establish a prima facie case without direct evidence of negligence.
(e) Slander
Legal context: Defamation.
Definition: Slander is a form of defamation that involves making false spoken statements about someone that harm their reputation.
(f) Punitive damages
Legal context: Various tort subject areas.
Definition: Punitive damages are monetary awards beyond compensatory damages, awarded in certain cases to punish the defendant for particularly egregious behavior and to deter others from similar conduct.
(g) Absolute privilege
Legal context: Defamation defenses.
Definition: Absolute privilege is a defense in defamation cases that grants immunity from liability for statements made in certain contexts, such as during legislative or judicial proceedings, regardless of their truth or intent.
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--The given question is incomplete, the complete question is given below " For each term (1) identify the legal context in which it arises; and (2) define the term.
For the legal context part of your answer for each term, indicate which tort subject area the term relates to (e.g., "fraud," “false imprisonment,” “defamation,” “defamation defenses,” “invasion of privacy,” “interference with contract,” “interference with prospective economic advantage,” “negligence,” “negligence defenses,” “strict liability,” or, if and where appropriate, “intentional torts” generally).
In addition, the definition portions of your answers need not be more than one sentence for each term. Your answer for each term is worth a maximum of 2 points.
(a) cause-in-fact
(b) assumption of risk
(c) seclusion
(d) res ipsa loquitur
(e) slander
(f) punitive damages
(g) absolute privilege"--
what is 30 + 100x squared
Use the graph below for this question: graph of parabola going through 2, negative 3 and 3, negative 1. What is the average rate of change from x = 2 to x = 3?
2
3
0
5
Answer:
2
Step-by-step explanation:
The average rate of change from x=a to x=b is found from ...
m = (f(b) -f(a))/(b -a)
For the points (x, f(x)) = (2, -3) and (3, -1), the average rate of change from x=2 to x=3 is ...
m = (-1 -(-3))/(3 -2) = 2/1 = 2
The average rate of change on the interval is 2.
A car rental agency charges $15 a day for driving a car 200 miles or less. If a car is driven over 200 miles, the renter must pay $0.05 for each mile over 200 driven. Which of the following functions represents the cost to drive a car from this agency miles x a day?
The function which represents the cost to drive a car from this agency miles x a day is :
C(x) = 15, if 0 ≤ x ≤ 200
= 15 + 0.05x, if x > 200
Given that,
A car rental agency charges $15 a day for driving a car 200 miles or less.
The function can be written as,
C(x) = 15 if 0 ≤ x ≤ 200
If a car is driven over 200 miles, the renter must pay $0.05 for each mile over 200 driven.
C(x) = 15 + 0.05x, if x > 200
Hence the correct option is D.
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The box plot shown represents the amount of donations received for a Lacrosse Team Fundraiser.
A box plot using a number line from 6 to 52 with tick marks every one unit. The box extends from 15 to 35 on the number line. A line in the box is at 23.5. The lines outside the box end at 12 and 50. The graph is titled Lacrosse Team Fundraiser, and the line is labeled Donations in Dollars.
What is the range and IQR of the data displayed?
The range is 38, and the IQR is 20.
The range is 38, and the IQR is 21.
The range is 37, and the IQR is 21.
The range is 37, and the IQR is 20.
Can someone help with this
Answer:
The area of the shape shown below is 32 units
Step-by-step explanation:
I cut the shape up into 2 triangles and a square.
Square
4 x 4 = 16
Triangle #1
4 x 4 = 16/2 = 8
Triangle #2
4 x 4 = 16/2 = 8
Add them up:
16 + 8 + 8 = 32
two planes leave the same airport. the first plane leaves at 1:00pm and averages 428 mph at a bearing of se. the second plane leaves at 1:15pm and averages 452 mph at a bearing of n w. how many miles apart are the planes at 2:45pm? round to the nearest mile. enter whole number answer and do not include the units.
As per the average, the distance of planes at 2:45pm is 678 miles.
First, let's talk about the concept of "average." When we say a plane is traveling at an average speed of 428 mph, that means it may be going faster or slower at different points in its journey, but the overall average speed over time is 428 mph.
To find out how far apart the planes are at 2:45pm, we need to know how far each plane has traveled by that time. Since the first plane left at 1:00pm and it is now 2:45pm, it has been flying for 1 hour and 45 minutes. To find out how far it has traveled, we can use the formula:
distance = speed x time.
So, distance = 428 mph x 1.75 hours = 749 miles.
The second plane left 15 minutes later, so it has been flying for 1 hour and 30 minutes by 2:45pm.
To find out how far it has traveled, we can use the same formula:
distance = speed x time.
So, distance = 452 mph x 1.5 hours = 678 miles.
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The average length of time that three computers operate on a given day is 960 minutes. None of the computers operate for less than 930 minutes. What is the greatest possible length of time any one of the computers operates
The greatest possible length of time will be "1020 min".
Given:
The average length of time,
= 960
For all 3 computers,
The minimum length of time,
= 930
Let,
The length of time of 2 computers will be "930".The 3rd one be "930+x".Now,
→ \(\frac{930+930+930+x}{3} = 960\)
→ \(\frac{930+930+930}{3} +\frac{x}{3} =960\)
→ \(\frac{3\times 930}{3} +\frac{x}{3} =960\)
→ \(930+\frac{x}{3}=960\)
→ \(\frac{x}{3} = 960-930\)
→ \(x = 30\times 3\)
→ \(x = 90\)
hence,
The greatest possible length of time will be:
= \(930+x\)
= \(930+90\)
= \(1020 \ min\)
Thus the above is the appropriate answer.
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How many outcomes are possible when you roll 3 regular six-sides dice ?
Answer:
216 outcomes.
Just as one die has six outcomes and two dice have 62 = 36 outcomes, the probability experiment of rolling three dice has 63 = 216 outcomes
Florida has about 66 tornadoes each year, which is approximately 5.7% of all tornadoes in the United States annually. Estimate how many tornadoes occur in the United States each year
The number of tornadoes that occur in the United States each year is 1158
How to determine the tornadoes each yearLet's call the number of tornadoes in the United States each year "x".
The number of tornadoes in Florida each year is 5.7% of this total
So we can write:
66 = x * 5.7%
Divide both sides by 5.7%
x = 66/5.7%
Evaluate
x = approximately 1158
So, approximately 1162 tornadoes occur in the United States each year.
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10% of 74 is 7.4 true or false
Answer:
true
Step-by-step explanation:
Answer:
True
Step-by-step explanation:
We know 10% is also equal to 0.1, and 0.1 * 74 = 7.4 . This means that statement is true.
What is the degree of 4x^3 + 2x^2 + 3x -1 *
Answer:
Hello, and welcome to brainly im gonna be your personal assistant for today your awnser to this question is easy here it is 1.
The degree is 4
2. x^3 - 4x =0
3. x-1/2=0 x-2/3=0
Step-by-step explanation:
What is the least common multiple of 8 and 12?
96
24
48
Answer:
B. 24 :)
Step-by-step explanation:
I hope this helps!
How do you solve capacity?
Answer:
Cube and rectangle- length times with times height
which of the following is an equation of aline that is parallel to one whose equation is y = 5x-3?
Answer:
the equation is
y= −5x + 23
Step-by-step explanation:
Math
a fair coin is tossed 29 times. what is the probability that at most 27 heads occur? a) 0.00000006 b) 0.00000081 c) 0.00000076 d) 0.99999994 e) 0.99999919 f) none of the above.
Option- D is correct that is the probability that at most 27 heads occur is 0.99999994.
Given that,
A fair coin is tossed 29 times.
We have to find what is the probability that at most 27 heads occur.
We know that,
A fair coin is tossed 29 times.
n=29
Probability of heads p=1/2
q= 1-p
q=1-1/2=1/2
We get
P (X=x) = ⁿCₓ qⁿ⁻ˣ pˣ
Now, the probability that at most 27 heads occurs is
P(X<27)
=1-[P(X=28)+ P(X=29)]
=1-[²⁹C₂₈(1/2)²⁹⁻²⁸(1/2)²⁸- ²⁹C₂₉(1/2)²⁹⁻²⁹(1/2)²⁹]
=1-[²⁹C₂₈(1/2)²⁹- ²⁹C₂₉(1/2)²⁹]
=1-[28+1](1/2)²⁹
=1-29×0.00000000186
=0.999999945
Therefore, Option- D is correct that is the probability that at most 27 heads occur is 0.99999994.
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Fashion trends are a nonprice determinant for demand because they do not affect demand. they change the supply of accessories. they influence people's tastes and preferences in clothing. they cause a movement along the demand curve.
Fashion trends influence people's tastes and preferences in clothing.
Fashion trends have a significant impact on the demand for clothing and fashion accessories. They play a crucial role in shaping people's tastes and preferences, which directly affect their purchasing decisions. As fashion trends change, consumers are influenced to adopt new styles, designs, and aesthetics, leading to shifts in their demand for clothing items.
Fashion trends are a non price determinant of demand because they operate independently of the price of the products. Unlike factors like price, income, or availability, fashion trends do not directly affect the quantity demanded at a given price. Instead, they influence consumers' preferences, attitudes, and perceptions towards different clothing options, leading to changes in the overall demand for fashion products.
Fashion trends can create a sense of novelty, social acceptance, and personal expression, driving consumers to seek out specific styles or brands that align with the current trends. This influence on people's tastes and preferences in clothing can result in shifts in demand curves as consumer preferences change over time. Therefore, fashion trends are a significant nonprice determinant of demand in the fashion industry.
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a family has five kids. what is the probability that they are three males and two females?
The probability of a family having three males and two females can be calculated using the concept of binomial probability.
In a family with five kids, each child has a 50% chance of being male or female. The probability of having three males and two females can be calculated by considering the different ways this combination can occur.
There are a total of 10 possible outcomes when arranging three males and two females in a sequence of five children (i.e., 5C3, where 5C3 represents the binomial coefficient "5 choose 3").
The probability of having three males and two females is given by the number of favorable outcomes divided by the total number of possible outcomes, which is 10/32 or 0.3125. Therefore, the probability of a family having three males and two females is approximately 31.25%.
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If the spinner is spun twice, what is the probability that an arrow will Stop on a number greater than 1 on both spins?
The spinner has 8 divisions, where 2 of those division have the number 1, and the other 6 divisions numbers greater than 1. The probability of getting a number greater than one on a single spin is given by the ratio between the amount of divisions with numbers greater than 1 by the total amount of divisions, which is
\(\frac{6}{8}=\frac{3}{4}=0.75\)The probability of getting a number greater than one in a single spin is 0.75.
Each spin is an independent event. The probability that on both spins the arrow will stop in a number greater than one is given by the product between the probabilities of getting a number greater than one on each spin, and both of them are 0.75. Their product is
\(\frac{3}{4}\times\frac{3}{4}=\frac{9}{16}=0.5625\)If the spinner is spun twice, the probability that an arrow will stop on a number greater than 1 on both spins is 0.5625.
A hybrid SUV A got a lot of attention when it first appeared. It is a relatively high-priced hybrid SUV that makes use of the latest technologies for fuel efficiency. One of the more popular hybrid SUVs on the market is the modestly priced hybrid SUV B. A consumer group was interested in comparing the gas mileage of these two models. In order to do so, each vehicle was driven on the same 10 routes that combined both highway and city streets. The results showed that the mean mileage for SUV A was 23 mpg and for SUV B was 32 mpg. The standard deviations were 3.8 mpg and 2.5 mpg, respectively. Complete parts a through c below.
a) An analyst for the consumer group computed the two-sample t 95% confidence interval for the difference between the two means as (8.149.86). What conclusion would he reach based on his analysis? A. He cannot discem a statistically significant difference in fuel economy. B. He can conclude that statistically, there is no significant difference in fuel economy. C. He can conclude a statistically significant difference in fuel economy. D. He is not given enough information to make any conclusions. b) Why is this procedure inappropriate? What assumption is violated? A. It was assumed the data are dependent, but they are not because the two vehicles were made by different manufacturers B. It was assumed the data are independent, but they are paired because the two vehicles were driven by the same driver. C. It was assumed the data are independent, but they are paired because the two vehicles were driven over the same 10 routes. D. It was assumed the data are dependent, but they are not because the two vehicles were driven at two separate time periods. c) in what way do you think this may have impacted the results? A. It would have made it easier to distinguish a difference. B. It may have made it more difficult to distinguish a difference. C. The analyst came to the wrong conclusion because of his assumption errors. D. The analyst performed the wrong test because of his assumption errors.
a)The answer is: C. He can conclude a statistically significant difference in fuel economy for an analyst for the consumer group .
b)The answer is: C. It was assumed the data are independent, but they are paired because the two vehicles were driven over the same 10 routes.
c)The answer is: B. It may have made it more difficult to distinguish a difference.
a) An analyst for the consumer group computed the two-sample t 95% confidence interval for the difference between the two means as (8.149.86).
What conclusion would he reach based on his analysis?
The answer is: C. He can conclude a statistically significant difference in fuel economy.
The reason is as follows:Given, the two-sample t 95% confidence interval for the difference between the two means = (8.149.86).
The confidence interval does not contain zero.
Therefore, the difference between the means of SUV A and SUV B is statistically significant and we can conclude a statistically significant difference in fuel economy.
b) The answer is: C. It was assumed the data are independent, but they are paired because the two vehicles were driven over the same 10 routes.
The reason is as follows:Here, the two SUVs are driven on the same 10 routes.
Therefore, the data are dependent.
The dependent t-test should have been used instead of the independent t-test.
But the two-sample t-test assumes that the data are independent.
Therefore, this procedure is inappropriate and the assumption that is violated is the independence assumption
c)The answer is: B. It may have made it more difficult to distinguish a difference.
The reason is as follows:Since the two SUVs are driven on the same 10 routes, the results may be similar and therefore, it may be more difficult to distinguish a difference.
Also, the difference between the means might not be due to the SUV models, but to the fact that they were driven on different terrains.
So, this assumption error may have affected the results.
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Suppose J is between H and K. Use the Segment Addition Postulate to solve for x. Then find the length of each segment. If HJ=x+10 JK=9x KH=14x−58 a) Draw a sketch of the segments described above b) Write an equaation using the segment addition postulate that will help you solve the problem ___+ ___= c) combine like terms ( x terms on one side of the equal sign and numbers in the other side of the equal sign) ____ = ____ d) x= __ HJ= __ JK= __ HK= __
Answer:
x= 17
HJ= 27
JK= 153
HK= 180
Step-by-step explanation:
If HJ=x+10
JK=9x
KH=14x−58
a) The diagram of sketch of the segments described above is attached to this answer.
b) KH = HJ + JK
14x - 58 = (x + 10) + 9x
14x - 58 = x + 10 + 9x
c)
14x - 58 = x + 10 + 9x
14x - 58 = 10x + 10
Collect like terms
14x - 10x = 10 + 58
4x = 68
Divide both sides by 4
4x/4 = 68/4
x = 17
d)
x= 17
HJ= x + 10
= 17 + 10
= 27
Hence, HJ = 27
JK= 9x
= 9 × 17
= 153
Hence, JK = 153
HK=14x −58
HK = 14 × 17 - 58
= 238 - 58
= 180
Hence, HK = 180
3. Nadia has 2020 one-centimetre cubes. She makes the largest cube possible using some of
the 2020 cubes. How many cubes does she have left over?
The dimensions of the length, width, and height of the cube Nadia
makes are equal.
Correct response:
The number of cubes Nadia have left is 292 cubesMethods used to calculationNumber of cubes Nadia has = 2020 one-centimeter cube
The solid she makes using the cube = The largest cube possible
Required:
The number of cubes Nadia has left.
Solution:
The number of cubes Nadia uses is given by the largest number less
than 2020, that has a perfect cube root, which is given by cube of the
whole number part of the cube root of 2020, as follows;
Let x represent the cube root of the cubes Nadia uses
√(2020) ≈ 12.64
Which gives the cube root of the largest number with a perfect cube root is x = 12
Therefore, the number is x³ = 12³ = 1,728
The number of cubes Nadia uses = 1,728 cubes
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FJ= 24
JH = 3x-3
21. x = ?
can someone help asap please!!!
Answer:
\(\boxed {x = 7}\)
Step-by-step explanation:
\(FJ\) and \(JH\) is half of the whole measurement of \(FH\). So, to find the value of \(x\), you need to write an expression by using those measurements of both \(FJ\) and \(JH\). Then, solve for \(x\):
\(FJ = 24\)
\(JH = 3x - 3\)
\(3x - 3 = 24\)
-Solve:
\(3x - 3 = 24\)
\(3x - 3 + 3 = 24 + 3\)
\(3x = 27\)
\(\frac{3x}{3} = \frac{27}{3}\)
\(\boxed {x = 7}\)
So, the value of \(x\) is \(7\).
Two parallel lines are cut by a transversal. Which pairs of angles are congruent? Which pairs of angles are supplementary?
Answer: both parralell lines
Step-by-step explanation:
i have no idea
if BD bisects ABC, m DBC =79 and ABC = (9x-4) find the value of x
Answer:
x=18
Step-by-step explanation:
set up the equation:
DBC+DBC=ABC
79+79=(9x-4)
Simplify both sides of the equation.
79+79=9x−4
79+79=9x+−4
(79+79)=9x−4(Combine Like Terms)
158=9x−4
158=9x−4
Flip the equation.
9x−4=158
Add 4 to both sides.
9x−4+4=158+4
9x=162
Divide both sides by 9.
9x /9 = 162 /9
x=18
Solve x2 − 3x = −8. (2 points)
Answer: x=3 plus or minus i square root 29 end root all over 2
A recipe that makes 4 servings calls for Two-thirds cup of flour. How much flour is required to make 20 servings? 6 cups 3 and one-third cups two-thirds cups StartFraction 2 over 15 EndFraction cups
Answer:
3 1/3 cups of flour
Step-by-step explanation:
20/4 = 5
20 servings is 5 times 4 servings, so you need 5 times the amount of ingredients.
5 * 2/3 = 10/3 = 3 1/3
Answer: 3 1/3 cups of flour
Answer:
3 1/3 cups of flour is your answer.
PLEASE HELP!
What is the direct variation equation of this table?
links will be reported
Please be positive in your answer :)