dr. sanchez conducts a simple random sample of 500 men who became fathers for the first time in the past year. he finds that 23% of them report being unsure of their ability to be good fathers, plus or minus 4%. if dr. sanchez increased his sample size to 1,000, which of the following would happen?

Answer:

use ph0t03ath its answers every math question

Answer:Question 1:

1.25(1.50)=2.75

Answer:Question 2

1-(5/8)=3/8

Answer:Question 3

1 cup -(2/3 of a cup)=1/3 of a cup

Answer:Question 3 pt.2

4/5 + 7/5 =11/5 or 2 and 1/5

Step-by-step explanation: when you use parenthesis in a math question it usually means to multiply subtract or add (depending on what they ask you to do).

Answer:

$17.33

Step-by-step explanation:

3.5×4.95

=17.325

= $17.33

11023.113 pounds

Mass

5

tonne

11023.1

Pound

Formula

for an approximate result, multiply the mass value by 2205

Answer:

Step-by-step explanation:

7 students from the Junior class.

6 students from the Senior class.

4 new members are to be chosen.

Required: Find the number of ways 4 new members can be chosen if 2 or fewer must be from the senior class. So, Therefore, the correct answer is 560 ways.

Hypothesis test used to test the batting average of the two given team national league and American league is given z-test.

As given in the question,

Given : Mean batting for American league is not equal to Mean batting for National league.

Therefore, hypothesis test used to test the batting average of the national league and American league is given z-test.

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a. w = -4m + 260

b. 10 months

The mean-square end-to-end distance for the fractal line is ⟨R2⟩ = b².L^(1-D).

The mean-square end-to-end distance for the fractal line is as follows.⟨R2⟩ = ⟨(R(u)- R(v))^2⟩ for u = 0 and v = L where L is the length of the line.⟨R2⟩ = b²/L^2.D.L = b².L^(1-D).

Thus, the mean-square end-to-end distance for the fractal line is ⟨R2⟩ = b².L^(1-D).

The radius of gyration Rg is defined as follows.

Rg² = (1/N)∑_(i=1)^N▒〖(R(i)-R(mean))〗²where N is the number of monomers in the fractal line and R(i) is the position vector of the ith monomer.

R(mean) is the mean position vector of all monomers.

Since the fractal dimension is D, the number of monomers varies with the length of the line as follows.N ~ L^(D).

Therefore, the radius of gyration for the fractal line is Rg² = (1/L^D)∫_0^L▒〖(b/v^(1-D))^2 v dv〗 = b²/L^2.D(1-D). Thus, Rg² = b².L^(2-D).

The ratio R²/Rg² is given by R²/Rg² = L^(D-2).

When D = 1, R²/Rg² = 1/L. When D = 1.7, R²/Rg² = 1/L^0.7. When D = 2, R²/Rg² = 1/L.

This provides information on mean-square end-to-end distance and radius of gyration for fractal line with a given fractal dimension.

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Answer:

ूेऐेुेुलौयकौइकौलएेःरःरइौईौकौथटइिौइिौइोौकइेईौकेञौञे

Answer:

the first 2 one is put on the right and the other on the left and the second 2 but one in the middle and one on the left!

Step-by-step explanation:

Answer:

\(quadrilateral \: and \: parallelogram\)

Time-series Plot graph is the best choice for determining the change in the stock market over time.

The term stock exchange refers to several exchanges where shares of publicly traded companies are bought and sold. Such financial activities are conducted through formal stock exchanges and over-the-counter (OTC) markets that operate under a specific set of regulations.

Other major stock exchanges in the world are Tokyo Stock Exchange (Japan), Shanghai Stock Exchange (China) and London Stock Exchange (UK). Stock exchanges are considered capital markets as they provide long-term financing for companies.

A time series chart, also known as a time series chart or time series graph, is a data visualization tool that plots data points at successive time intervals. Each point on the chart corresponds to both time and quantity being measured.

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The calculated value of the tenth term, b₁₀ of the sequence is 78732

From the question, we have the following parameters that can be used in our computation:

b₁ = -4

bₙ = 3bₙ₋₁

The above means that

We multiply the current term by 4 to get the next term

So, we have

b₂ = 3 * 4 = 12

b₃ = 3 * 12 = 36

b₄ = 3 * 36 = 108

b₅ = 3 * 108 = 324

b₆ = 3 * 324 = 972

b₇ = 3 * 972 = 2916

b₈ = 3 * 2916 = 8748

b₉ = 3 * 8748 = 26244

b₁₀ = 3 * 26244 = 78732

Hence, the tenth term, b₁₀ of the sequence is 78732

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The number of combinations of 6 boys and 20 girls that can exist among 26 children born in a hospital on a given day is 230,230.

]To calculate the number of combinations, we can use the concept of binomial coefficients. The formula for calculating the number of combinations is C(n, k) = n! / (k!(n-k)!), where n is the total number of objects and k is the number of objects we want to select.

In this case, we have 26 children in total, and we want to select 6 boys and 20 girls. Plugging these values into the formula, we get C(26, 6) = 26! / (6!(26-6)!) = 230,230. Therefore, there are 230,230 different combinations of 6 boys and 20 girls that can exist among the 26 children born in the hospital on that given day.

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The equation of the major axis of y = 1 / x would be y = x and y = -x.

The equation y = 1/x constitutes a rectangular hyperbola. Not like ellipses possessing broadly characterized principal axes, no finite line exists representing the major axis of the given hyperbola.

This is due to the symmetrical relationship around both x- and y-axes where its core remains positioned at (0, 0). In place of a definite line, the asymptotes operate in replaceable fashion, defined as the lines y = x and y = -x, which are values approached at near limit by this specific hyperbola yet never collided with.

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The quotient and remainder are x³ -5x² + 10x - 17 and 55.

What is Synthetic division?

When the divisor is a linear factor, synthetic division is a technique used to carry out the division operation on polynomials.

Here, (x+2) is a linear factor which indicates that synthetic division can be applied.

So, we will divide the x^4 - 3x^3 - 7x + 1 by x+2.

(refer the attached solution)

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To graph the solution set to the system of inequalities y > x^2 - 1 and y ≤ -x^2 + 4, shade the region between the two graphs, above the graph of f(x), and below the graph of g(x).

To graph the solution set to the system of inequalities y > x^2 - 1 and y ≤ -x^2 + 4, we need to shade the region on the coordinate plane that satisfies both inequalities.

To do this, we first graph the functions f(x) = x^2 - 1 and g(x) = -x^2 + 4 on the same coordinate plane. We can do this by plotting points or by using a graphing calculator or software.

Next, we shade the region above the graph of f(x) and below the graph of g(x). This is because the inequality y > x^2 - 1 means that y is greater than the values of f(x), which are the points above the graph of f(x). The inequality y ≤ -x^2 + 4 means that y is less than or equal to the values of g(x), which are the points below the graph of g(x).

The solution set is the region on the coordinate plane that is shaded in both ways. This region is the area between the two graphs, above the graph of f(x), and below the graph of g(x). We can identify the solution set by looking at the shaded region on the graph or by listing the coordinates of the points that satisfy both inequalities.

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Answer:

it is 3c∙20=2400$

Step-by-step explanation:

just look at the other questions.

Answer:

1,536

Step-by-step explanation:

1 pound equals 2 cups, so 8 pounds will be 16 cups.

\(\frac{16}{\frac{1}{4} }\) = 16 x 4 = 64

She can make 64 2 dozen fasnachts.  There are 24 fasnachts in 2 dozen.

64 x 24 = 1536 individual fasnachts doughnuts.

Answer: 135

Step-by-step explanation: We know that the forerunner is 1/5 the speed of the water skier as 20/100 is 1/5. Now if we "reverse" this we can multiply 27 by 5 to find the speed of the water skier, this is 135 which is the speed of the water skier. Hope this helped :)

The Chang family has been traveling for 18 hours, thus, t-value is 18.

A significant t-score, also known as a t-value, implies that the groups are distinct, whereas a small t-score suggests that the groups are similar. Degrees of freedom are the values in a study that are open to change and are crucial for determining the significance and reliability of the null hypothesis.

D(t) = 2,280 - 60t

D(t) = 1,200; find t.

D(t) = 2,280 - 60t

1200 = 2280 - 60t

From both sides of the equation, deduct 2280.

1200 - 2,280 = 2280 - 60t - 2,280

- 1080 = - 60t

multiplied by -60 on both sides

- 1080 / -60 = - 60t / -60

18 = t

t = 18

The Chang family had travelled for 18 hours, according to this.

The Chang family has been traveling for 18 hours, t = 18.

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The complete question is,

Having just returned from a cross-country road vacation, the Chang family is traveling back home. They can visualize their distance from home in miles after t hours of travel by using the function D(t) = 2,280 - 60t during the journey. If D(t) = 1,200, what does t represent? That value stands for what?

A.t = 20; the Chang family has been traveling for 20 hours.

B. t = 20, meaning the Chang family will need to travel 20 more hours to reach home.

The Chang family has been traveling for 18 hours, thus c. t = 18.

The Chang family must go home for an additional 18 hours using the formula D. t = 18.

The simplified expression is 26 - 4x.

To simplify the expression 6 - 4(x - 5), we can apply the distributive property and simplify the terms.

6 - 4(x - 5)

First, distribute -4 to the terms inside the parentheses:

6 - 4x + 20

Now, combine like terms:

(6 + 20) - 4x

Simplifying further:

26 - 4x

Therefore, the simplified expression is 26 - 4x.

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Answer:

Step-by-step explanation:

What is the value of m in the equation 1/2m - 3/4n when n = 8?

1/2m - 3/4*8 =

1/2m = 6

m = 12

--------------------

Answer:

The answer to the question provided is possibly 2.

Step-by-step explanation:

\( \: \: \: \: \: \: \: \: \: \: \: \: 3y + 77 = 2y + 79 \\ \frac{ - 2y \: \: \: \: \: \: = - 2y}{1y + 77 = 79} \\ \frac{ \: \: \: \: \: \: \: \: - 77 = - 77}{ \frac{1y}{1} = \frac{2}{1} } \\ \\ y = 2\)

To find the fraction of the students in the class that like either basketball and soccer, we have to sum

We use the following property

Let's do it

The complement of this fraction represents the students that like basketball AND soccer.

Hence, the answer is

Answer:

Let B {bı, b2} and C = {c1, c2} be bases for R^2 where bı [-1;8]. b2 [1;-5], c1 = [1;4]. Find the change-of-coordinates matrix from B to C and the change-of-coordinates matrix from C to B.

In the given problem, we have the bases B and C as follows:

B = {b1, b2} where b1 = [-1;8] and b2 = [1;-5]

C = {c1, c2} where c1 = [1;4] and c2 = [0;1]

We need to find the change-of-coordinates matrix from B to C and from C to B.

To find the change-of-coordinates matrix from B to C, we need to express the basis vectors of B in terms of the basis vectors of C. We can do this by solving the following equations:

b1 = x1c1 + y1c2

b2 = x2c1 + y2c2

where x1 , y1, x2, and y2 are the coefficients we want to find.

Substituting the given values, we get:

[-1;8] = x1*[1;4] + y1*[0;1]

[1;-5] = x2*[1;4] + y2*[0;1]

Solving these equations, we get:

x1 = -17/4, y1 = 1/4, x2 = 9/4, and y2 = -1/4

Therefore, the change-of-coordinates matrix from B to C is:

[-17/4  9/4]

[ 1/4 -1/4]

To find the change-of-coordinates matrix from C to B, we need to express the basis vectors of C in terms of the basis vectors of B. We can do this by solving the following equations:

c1 = a1b1 + a2b2

c2 = b1b1 + b2b2

where a1 , a2, b1, and b2 are the coefficients we want to find.

Substituting the given values and solving these equations, we get:

a1 = 4/17, a2 = -1/17, b1 = -1/17, and b2 = -5/17

Therefore, the change-of-coordinates matrix from C to B is:

[ 4/17 -1/17]

[-1/17 -5/17]

I hope this helps!

Step-by-step explanation:

Answer:

\(g(f(3)) = 36\)

Step-by-step explanation:

1. Find the value of f(3)

\(f(3) = -2(3) -3 \\f(3) = -6 - 3\\f(3) = -9\)

2. Insert f(3) into g(f(3)), we get g(-9), find g(-9)

\(g(-9) = (-9)^2 + 5(-9)\\g(-9) = 81 -45\\g(-9) = 36\)

Mike and Jed stopped for lunch at 12:00 p.m. after skiing for 1 hour and 40 minutes.

To add time, we need to convert minutes to hours and minutes. There are 60 minutes in an hour, so we can divide the number of minutes by 60 to get the number of hours and the remaining minutes. In this case, 1 hour and 40 minutes is the same as

(1 hour + 40/60 hours) = 1.67 hours

So, to find out what time they stopped for lunch, we can add 1.67 hours to the starting time of 10:30 a.m. We can do this by converting 10:30 a.m. to 24-hour format, which is 10:30. We then add 1.67 hours to 10:30, which gives us a total of 12:00 p.m. (or noon).

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