You begin selling T-shirts at a slow pace but you double your sells every week. How many weeks does it take you to make a profit of you begin the first week by selling ok 2 T-shirts?

Using the z-distribution, it is found that since the test statistic is less than the critical value for the left-tailed test, this finding does suggest that the passing rate for  teenagers is lower than what CHCCS reported.

\(H_0: p \geq 0.82\)

\(H_1: p < 0.82\)

The test statistic is given by:

\(z = \frac{\overline{p} - p}{\sqrt{\frac{p(1-p)}{n}}}\)

In which:

In this problem, the parameters are:

\(p = 0.82, n = 100, \overline{p} = \frac{75}{100} = 0.75\)

Hence, the value of the test statistic is:

\(z = \frac{\overline{p} - p}{\sqrt{\frac{p(1-p)}{n}}}\)

\(z = \frac{0.75 - 0.82}{\sqrt{\frac{0.82(0.18)}{100}}}\)

\(z = -1.82\)

The critical value for a left-tailed test, as we are testing if the proportion is less than a value, with a significance level of 0.05 is of \(z^{\ast} = -1.645\)

Since the test statistic is less than the critical value for the left-tailed test, this finding does suggest that the passing rate for  teenagers is lower than what CHCCS reported.

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Step-by-step explanation:

first u gotta make the solutions on the other side a negative then keep the positive so now you've gotten rid of the lines so now I gotta solve both 4x-3<7 and 4x-3<-7 then solve liek you regular would with moving the 3 to the other side

4x<10 and 4x<-4 then divide both of them by the number itself to get x by itself

The missing part of the equation is \(-7.0\times10^4 s^2kg⋅m^2 / 1000000.\)

To fill in the missing part of the equation, let's analyze the given information and the desired conversion. The equation is:

\((-7.0\times 10^4 s^2g⋅m^2)\cdot \pi = ? s^2kg\cdot m^2\)

In this equation, we have a quantity expressed in\(s^2g\cdot m^2\) units on the left-hand side. To convert it to \(s^2kg\cdot m^2\) units, we need to multiply it by a conversion factor.

To perform the conversion, we can use the fact that 1 kg is equal to 1000 g. Therefore, the conversion factor we need is:

1 kg / 1000 g

To ensure that the units cancel out correctly, we need to square this conversion factor because we have \(s^2g\cdot m^2\) on the left-hand side. So the missing part of the equation is:

\((-7.0\times 10^4 s^2g\cdot m^2)\cdot \pi = (-7.0\times 10^4 s^2g\cdot m^2)\cdot (1 kg / 1000 g)^2\)

Simplifying this expression, we get:

\((-7.0\times10^4 s^2g\cdot m^2)\cdot \pi = -7.0 \times10^4 s^2kg\cdot m^2 / 1000000\)

Therefore, the missing part of the equation is \(-7.0 \times 10^4 s^2kg\cdot m^2 / 1000000.\)

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Answer:83999955 because of the gravity

Step-by-step explanation:

H0: p1 ≥ p2 (Null hypothesis: Proportion of ADHD-diagnosed students in School A is equal to or greater than in School B)

Null Hypothesis: The proportion of students diagnosed with ADHD in School A is equal to or greater than the proportion of students diagnosed with ADHD in School B.

Symbolically, the null hypothesis can be stated as:

H0: p1 ≥ p2

Where:

H0: Null Hypothesis

p1: Proportion of students diagnosed with ADHD in School A

p2: Proportion of students diagnosed with ADHD in School B

In other words, the null hypothesis assumes that there is no significant difference or that School A may have an equal or higher proportion of students diagnosed with ADHD compared to School B.

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The distance Mrs. Smith covers is 3520 yards during the duration of the week by Friday morning.

One week has seven days in total.

Mrs. Smith walks half a mile each day after work, she walks a total of

0.5 miles/ day × 7 days/ week = 3.5 miles/ week

Now, if we calculate the distance on Friday morning, she must have walked four times till Friday morning since she has to walk after her work.

Therefore,

0.5 miles/ day × 4 days = 2 miles

To convert miles to yards, we can use the fact that there are 1760 yards in one mile:

2 miles/week × 1760 yards/mile = 3520 yards/week

Therefore, by Friday morning, Mrs. Smith will have walked 3520 yards.

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Answer:

4/10

Step-by-step explanation:

Since the denominators are the same, add the numerators (3 + 1)

and you are smart

Answer:

a = 11

Step-by-step explanation:

a + 8 = 19

=> a = 19 - 8

=> a = 11

Answer:

\(x = 21 - 2\frac{1}{3}y\)

Step-by-step explanation:

3x + 7y = 63

Minus 7y from both sides, then you get...

3x = 63 - 7y

Now we divide both sides by three to find the value of x:

\(x = 21 - 2\frac{1}{3}y\)

Answer:

(1) Hundred

(2) Numerator

(3) Percent

Step-by-step explanation:

Answer:

</html>

Step-by-step explanation:

This is so because remember when programming in HTML once u put a code word after <html> always close it off with </html>

Answer:

Step-by-step explanation:

The person above me is right

Answer:

0.75

Step-by-step explanation:

Given:  

Of the last 12 contestants on a game show, 9 qualified for the next round.

To find:

The experimental probability that the next contestant will qualify for the next round.

Solution:

Probability refers to the chances of occurrence of some event.

Probability = Number of favourable outcomes/Total number of outcomes

Number of contestants who qualify for the next round = 9

Total number of contestants = 12

So,

The experimental probability that the next contestant will qualify for the next round = \(\frac{9}{12}=\frac{3}{4}=0.75\)

Answer:

h = 4 cm

Step-by-step explanation:

See attached image.

There are a total of 212 pounds of berries, and the number of friends sharing the berries is equal to 4.

The four basic operations of arithmetic can be used to add, subtract, multiply, or divide two or even more quantities.

They cover topics like the study of integers and the order of operations, which are relevant to all other areas of mathematics including algebra, data processing, and geometry.

As per the given information in the question,

The total amount of berries = 212 pounds

The number of berries received by each one = 54 pounds

Then, the number of friends sharing the berries is:

212/54 = 3.92 ≈ 4 friends.

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Answer: 7

Step-by-step explanation: 13 - 6 = 7

The standard deviation of a point estimator is a measure of the variability or spread of the sampling distribution of the estimator.

n statistical inference, a point estimator is a statistic used to estimate an unknown population parameter based on sample data. The point estimator provides a single value or point estimate that serves as an estimate of the parameter of interest.

However, due to sampling variability, the estimates obtained from different samples are not expected to be exactly the same. The standard deviation of the point estimator quantifies this variability. It represents the typical amount by which the estimates from different samples deviate from the true population parameter.

A smaller standard deviation of the point estimator indicates that the estimates from different samples are more likely to be close to the true population parameter. Conversely, a larger standard deviation suggests that the estimates are more likely to be scattered further away from the true parameter.

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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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Answer:

A. \((x,y)\) ⇒ \((kx, ky)\)

Step-by-step explanation:

Because that's the dilation equation or formula

If the null hypothesis is true in an ANOVA, the expected value for the F-ratio is close to 1. the F-ratio compares the variability due to treatment effects with the variability due to chance.

This is because the numerator of the F-ratio measures the variability between the sample means, which is expected to be small if the null hypothesis is true. On the other hand, the denominator measures the variability within the samples, which is expected to be larger due to random variation. Therefore, if there is no treatment effect, the numerator and denominator should be similar, resulting in an F-ratio close to 1.

In other words, the F-ratio compares the variability due to treatment effects with the variability due to chance. If the null hypothesis is true, there should be no systematic differences between the groups, and any differences observed are likely due to chance. Hence, the F-ratio should be close to 1, indicating that the treatment has no significant effect on the outcome.

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Answer:

\(\sqrt{13}\)

The rate of change of distance between two cars at the given time is required.

The required rate of change is \(\sqrt{13}\) feet/s

a = Distance covered in 5 s by bike A = \(2\times 5=10\ \text{feet}\)

b = Distance covered in 5 s by bike B = \(3\times 5=15\ \text{feet}\)

c = Distance between A and B in 5 s = \(\sqrt{10^2+15^2}=5\sqrt{13}\ \text{feet}\)

Applying Pythagoras theorem

\(a^2+b^2=c^2\)

Differentiating with respect to time

\(2a\dfrac{da}{dt}+2b\dfrac{db}{dt}=2c\dfrac{dc}{dt}\\\Rightarrow \dfrac{dc}{dt}=\dfrac{a\dfrac{da}{dt}+b\dfrac{db}{dt}}{c}\\\Rightarrow \dfrac{dc}{dt}=\dfrac{10\times 2+15\times 3}{5\sqrt{13}}\\\Rightarrow \dfrac{dc}{dt}=\sqrt{13}\ \text{feet/s}\)

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Answer:

h=9cm

P=(x+5)cm

b=(x-3)cm

by the Pythagoras theorem,

h^2=p^2+b^2

9^2=(x+5)^2+(x-3)^2

81=x^2+10x+25+x^2-6x+9

81=2x^2+4x+34

Pseudoscience lacks rigorous standards used in real scientific inquiries. Pseudoscience should be viewed with skepticism and critical evaluation to avoid being misled by unsupported claims.

Pseudoscience refers to claims, theories, or practices that are presented as scientific but lack scientific evidence, methods, or standards. Unlike real scientific inquiries, pseudoscientific claims often lack empirical evidence, peer-reviewed research, and falsifiability. This lack of rigorous standards means that pseudoscientific claims are often not subject to scrutiny and validation through empirical testing and independent review.

Pseudoscience is often associated with claims that are presented as scientific but lack scientific rigor. This means that such claims do not adhere to the rigorous standards and methods used in real scientific inquiries. In contrast, real scientific inquiries rely on empirical evidence, logical reasoning, critical thinking, and peer-reviewed research to advance knowledge and understanding of natural phenomena. One of the key differences between pseudoscience and real scientific inquiry is the absence of empirical evidence. Real scientific inquiries rely on systematic observation, measurement, and experimentation to generate empirical evidence that can support or falsify scientific claims. In contrast, pseudoscientific claims often rely on anecdotes, testimonials, or unproven assumptions to support their claims.

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Expected gain/loss with survey = (p * (probability of success given favorable survey * gain from success + probability of failure given favorable survey * loss from failure)) + ((1-p) * (probability of success given unfavorable survey * gain from success + probability of failure given unfavorable survey * loss from failure))
= (0.4 * (0.6 * $540,000 + 0.1 * -$450,000)) + (0.6 * (0.2 * $540,000 + 0.7 * -$450,000))

he company is considering whether to market a new product. They assess that the probabilities of the outcomes - success or failure - are p and 1-p, respectively. If the product is marketed and it fails, the company will have a net loss of $450,000. If the product is marketed and it succeeds, the company will have a net gain of $540,000. If the company decides not to market the product, there is no gain or loss.
The company can conduct a survey of prospective buyers to determine the market potential. The survey results can be classified as favorable, neutral, or unfavorable. Based on similar surveys for previous products, the company assesses the probabilities of favorable, neutral, and unfavorable survey results to be 0.6, 0.3, and 0.1 for a product that will evntually be a success, and 0.1, 0.2, and 0.7 for a product that will eventually be a failure.
The total cost of conducting the survey is c dollars. The question asks for which values of c, if any, would the company choose to conduct the survey, given that p=0.4.
To determine whether to conduct the survey, we need to compare the expected gains/losses from marketing the product with and without the survey.
If the company markets the product without the survey, the expected gain/loss can be calculated as follows:
Expected gain/loss without survey = (p * gain from success) + ((1-p) * loss from failure)
= (0.4 * $540,000) + (0.6 * -$450,000)
If the company markets the product with the survey, the expected gain/loss can be calculated as follows:
Expected gain/loss with survey = (p * (probability of success given favorable survey * gain from success + probability of failure given favorable survey * loss from failure)) + ((1-p) * (probability of success given unfavorable survey * gain from success + probability of failure given unfavorable survey * loss from failure))
= (0.4 * (0.6 * $540,000 + 0.1 * -$450,000)) + (0.6 * (0.2 * $540,000 + 0.7 * -$450,000))

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Answer:

B.) 15 Feet

Step-by-step explanation:

So how you would sove this problem is to see that 15/5=3, so then you will take 45 and divide that by 3 and get 15 Feet which brings your answer to be "B"!

I hope this helped you:)

Therefore, the height of the tree is approximately 3.67 meters making triangle.

Let h be the height of the tree. Then, using the properties of similar triangles, we can set up the following proportion:

h / 1.25 = (h + x) / 15.45

where x is the length of Gabriella's shadow. To find x, we can use a similar proportion:

h / 10.2 = 1.25 / x

Solving the second proportion for x, we get:

x = 10.2 * 1.25 / h

Substituting this expression for x into the first proportion, we get:

h / 1.25 = (h + 10.2 * 1.25 / h) / 15.45

Multiplying both sides by 15.45 * h * 1.25, we get:

15.45 * h - 15.45 * 1.25 = h * 10.2

Expanding and rearranging, we get a quadratic equation in h:

15.45h - 19.3125 = 10.2h

5.25h = 19.3125

h = 3.67 meters (rounded to two decimal places)

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Yes, the equation of velocity is rearranged to find the area under the curve.

The equation of velocity in general is v = d/t

where v = velocity, d = distance, and t = time.

We rearrange this equation to create an equation for distance and the equation of distance determines the area under the curve.

Our motive is to isolate the variable whose equation we want to create. So, in this case, isolate 'd' and move all other variables to the other side.

1. Multiply both sides by t

v × t = d/t × t

2. Cancel the t where appropriate

v × t = d

3. We get the equation for d

d = v × t

Now, this equation is used to find the area under the curve.

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Answer:

Cheeeeseeeeii

Step-by-step explanation:

Cheeeeseee

Therefore, x = 4tanθ dx = 4sec²θdθx = 4secθ. Therefore, dx = 4secθtanθ dθBy substituting the value of x, the given integral becomes5-4secθ / 4secθtanθ = 5/4secθ - 4secθsinθ/4tanθSimplify the above expression by writing it in terms of sinθ and cosθ5/4cosθ - cosθ/4C = 5/4sin⁻¹(x/4) + cosθ/4 + C

Explanation:Let 16 + x² = 4²sin²θ by using the first trigonometric substitution. Therefore, x = 4sinθ dx = 4cosθdθSolve for the integral and use 16 + x² = 4²tan²θ by using the second trigonometric substitution. Therefore, x = 4tanθ dx = 4sec²θdθSolve for the integral and use x = 4secθ by using the third trigonometric substitution. Therefore, dx = 4secθtanθ dθ.Use the three trigonometric substitutions to evaluate the integral 5-x / √16 + x² - dx.The three trigonometric substitutions that we used are as follows:16 + x² = 4²sin²θ. Therefore, x = 4sinθ dx = 4cosθdθ16 + x² = 4²tan²θ.

Therefore, x = 4tanθ dx = 4sec²θdθx = 4secθ. Therefore, dx = 4secθtanθ dθBy substituting the value of x, the given integral becomes5-4secθ / 4secθtanθ = 5/4secθ - 4secθsinθ/4tanθSimplify the above expression by writing it in terms of sinθ and cosθ5/4cosθ - cosθ/4C = 5/4sin⁻¹(x/4) + cosθ/4 + C

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