Identify the null hypothesis, alternative hypothesis,test statistic, P-value, conclusion about the nullhypothesis, and fınal conclusion that addresses theoriginal claim.A survey of 960 voters in one state reveals that 573,or 60%, favor approval of an issue before thelegislature. Using the 0.05 level of significance, testthe claim that more than half of all voters approve thisissue.Null Hypothesis, HOAlternativeHypothesis, H1Test Statistic, zP-valueSignificance levelConclusion<>><><>

From the provided information, Sample size (n) = 960 Sample proportion (p̂) = 0.60

Answered: Identify the null hypothesis,…

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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For safety reasons, calf dehorning has become a routine practice at dairy farms. A report by a continental government organization stated that 80% of that continent's dairy farms carry out calf dehorning. A later study, published in a reputable dairy science journal, found that in a sample of 635 dairy farms in the continent, 513 dehorn calves. Does the journal's study support or refute the figure reported by the government organization? Explain. Test the relevant hypotheses using a = 0.05.
A survey was conducted in a large city to investigate public opinion on banning the use of trans fats inrestaurant cooking. A random sample of 230 city residents with school-age children was selected, and anotherrandom sample of 341 city residents without school-age children was also selected. Of those with school-agechildren, 94 opposed the banning of trans fats, and of those without school-age children, 147 opposed thebanning of trans fats. An appropriate hypothesis test was conducted to investigate whether there was adifference between the two groups of residents in their opposition to banning of trans fats. Is there convincingevidence of a difference between the two population proportions at the significance level of 0.05? (A) Yes, because the sample proportions are different.(B) Yes, because the probability of observing a difference at least as large as the sample difference is greaterthan 0.05.(C) Yes, because the probability of observing a difference at least as large as the…
It is believed that at least 60% of the residents in a certain area favor an annexation suit by a neighboring city. What conclusion would you draw if only 120 in a sample of 210 voters favor the suit? Use a 0.03 level of significance. Follow the steps in Test of Hypothesis including your conclusion and round off the critical value and test statistic into 4 decimal places
calculate an exact p-value for testing the null hypothesis that there is no association between gender and political preference against a one-sided alternative hypothesis that women are more likely to prefer the democratic candidate. ( might want to use excel, e.g., to do your calculations.) Enter your answer to three decimal places.
Test a claim , identify the null hypothesis, alternative hypothesis, test statistic, p-value, and then stat the conclusion about the null hypothsesis. As well as the final conclusion that addresses the original claim. Among 2161 passenger cars, in a particular region, 251 only had rear license plates. Among 382 commercial trucks, 54 had rear licens plates. A reasonable hypothesis is that the commercial truck owenrs violate laws requiring front license plates at a higher rate than owners of passenger cars. Use a 0.05 signifigance level to test that hypothesis. A. Test the claim using the hypothesis test B. Test the claim by constructing an appropriate confidence interval What is the test statistic?
An online bookseller is considering selling an e-reader but will only do so if they have evidence that the proportion of customers that will likely purchase one is at least 0.4. Based on a survey of 25 customers, it was found that 13 of them stated that they would likely purchase an e-reader. Conduct the appropriate hypothesis test to determine if the proportion of customers likely to purchase is greater than 0.4. Find the p-value for the hypothesis test.
in a recent poll of 755 randomly selected adults, 589 said that it is morally Wrong to not report all income on tax returns. Use a 0.05 significance level to test the claim that 70% of adults say that it is morally wrong to not report all income on tax returns. identify the null hypothesis, alternative hypotheses, P value, conclusion about the null hypothesis and final conclusion that addresses the original claim use the P value method method. (reject or fail to reject) there (is, is not) sufficient evidence.
In a sample of 150 people from town A, 45% planned to vote for the proposition. In a sample of 200 people from town B, 67% planned to vote for the proposition. Compute the 95% confidence interval for the difference in the percent of the populations that plan to vote for the proposition (use town A for population 1). Enter the lower limit to 4 decimal places.
n a recent court case it was found that during a period of 11 years888people were selected for grand jury duty and39%of them were from the same ethnicity. Among the people eligible for grand jury duty,80.4%were of this ethnicity. Use a0.01significance level to test the claim that the selection process is biased against allowing this ethnicity to sit on the grand jury. Identify the null hypothesis, alternative hypothesis, test statistic, P-value, conclusion about the null hypothesis, and final conclusion that addresses the original claim. Use the P-value method and the normal distribution as an approximation to the binomial distribution.
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