In a sample of 75 new residents who received a coupon for a two month free membership to a country club, there were 15 people who actually took advantage of the free two month membership. When testing the hypothesis (using the 5% level of significance) that at least 25% of the people that receive the coupon actually use it, the p-value is 0.1587? What can you conclude concerning the null hypothesis? (please round your answer to 2 decimal places)       Reject the null hypothesis     Fail to reject the null hypothesis

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A: The question is about hypo. testing Given : Popl. prop. of adults own a cell phone ( p ) = 80.59 % =…

Q: Easy 2.6 3.9 3.4 1.2 2.1 1.2 1.8 2.2 Typical 5.6 4.5 3.7 2 3.3 4.6 3.1 2 Diff 9 5.6 3.5 7.8 6.4 7.5…

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A: Solution:  μo= 100  Population mean of  volleyball team in America

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A: GivenA manufacturer claims that more than 92% of the equipment that he supplied to a factory…

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A:

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A:

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Q: what is measured by Cohen's d for a hypothesis test with a t statistic?

A: One of the most common ways to measure effect size is Cohen's D. The scale of an effect is how high…

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A:

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A: Solution

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A: P-value=0.05949and α=0.09

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Q: A human resources representative claims that the proportion of employees earning more than $50,000…

A: The test statistic is obtained as follows.

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A: We have given that p = 0.16n = 398x = 56p̂ = x/n = 56/398 =  0.1407α = 0.01

Q: In 2018 , RAND Corporation researchers found that  71 % of all individuals ages 66 to 69  are…

A: Sample size n=300Favorable cases x=165

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A: The provided information are:

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A: Given: Population proportion = p0 = 0.83, Sample size = n = 74, Number of eventually graduated…

Q: Answer the following to summarize the test of the hypothesis that each of A, B, C, and D is equally…

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A:

2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.