When Brett Kavanaugh was nominated to be a Supreme Court justice, a survey of 1034 Americans showed that 50.7% of them disapproved of Kavanaugh. A newspaper published an article with this headline: "Majority of Americans Disapprove of Kavanaugh."Use a 0.10 significance level to test the claim made in that headline. Use the P-value method. Use the normal distribution as an approximation to the binomial distribution....Let p denote the population proportion of all Americans who disapproved of Kavanaugh. Identify the null and alternative hypotheses.Ho: PH: p v(Type integers or decimals. Do not round.)Identify the test statistic.z=(Round to two decimal places as needed.)Identify the P-value.P-value =(Round to three decimal places as needed.)State the conclusion about the null hypothesis, as well as the final conclusion that addresses the original claim.v the null hypothesis. There |v sufficient evidence tov the claim that a majority of Americans disapproved of Kavanaugh.

Given : Claim : majority of Americans disapproved of Kavanaugh.

Answered: When Brett Kavanaugh was nominated to…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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A poll of 2,163 randomly selected adults showed that 91% of them own cell phones. The technology display below results from a test of the claim that 92% of adults own cell phones. Use the normal distribution as an approximation to the binomial distribution, and assume a 0.05 significance level to complete parts (a) through (e) A.) Is the test two-tailed, left-tailed, or right-tailed? B.)What is the test statistic? C.)What is the P-value? D.) What is the null hypothesis and what do you conclude about it? E.) Choose the correct answer below. A. Reject the null hypothesis because the P-value is less than or equal to the significance level, alphaα. B. Fail to rejectFail to reject the null hypothesis because the P-value is greater than the significance level, alphaα. C.Fail to rejectFail to reject the null hypothesis because the P-value is less than or equal to the significance level, alphaα. D.Reject the null hypothesis because the P-value is greater than the significance…
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When dragons on planet Pern lay eggs, the eggs are either green or yellow. The biologists have observed over the years that 20% of the eggs are yellow, and the rest green. Next spring the lead scientist has permission to randomly select 67 of the dragon eggs to incubate. Consider all the possible samples of 67 dragon eggs. What is the mean number of yellow eggs in samples of 67 eggs? (that is the same as asking for the expected value of the number of yellow eggs) (Give answer correct to at least one decimal place.) mean = What is the standard deviation in the number of yellow eggs in samples of size 67? (Give answer correct to at least one decimal place.) standard deviation = What is the variance in the number of yellow eggs in samples of size 67? (Remember to calculate the answer using at least 5 decimal places, then give answer correct to at least one decimal place.) variance =
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