You are conducting a study to see if the proportion of voterswho prefer the Democratic candidate is significantly smallerthan 59% at a level of significance of a = 0.01. According toyour sample, 32 out of 62 potential voters prefer theDemocratic candidate.a. For this study, we should useSelect an answerb. The null and alternative hypotheses would be:Ho: ? OSelect an answer >(please entera decimal)H1: ? 0Select an answer ©(Please entera decimal)c. The test statistic ? O(please show=your answer to 3 decimal places.)d. The p-value =(Please show your answer to4 decimal places.)

Answered: Image /qna-images/answer/74c322b3-660c-4c5f-81aa-bee155fac8b9.jpg

Answered: You are conducting a study to see if…

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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An immunologist is testing the hypothesis that the current flu vaccine is less than 71% effective against the flu virus. The immunologist is using a 2% significance level and these hypotheses: Ho: p=0.71 and H₂: p<0.71. Explain what the 2% significance level means in context. Select the correct choice below and fill in the answer box to complete your choice. (Type an integer or a decimal. Do not round.) A. The probability that a randomly selected vaccinated person will not get the flu is OB. The probability of concluding that the flu vaccine is less than 71% effective against the flu virus when, in fact, it is equal to 71% effective is OC. The probability that a randomly selected vaccinated person will get the flu is OD. The probability of failing to conclude that the flu vaccine is less than 71% effective against the flu virus when, in fact, it is less than 71% effective is
When the 2000 GSS asked whether human beings developed from earlier species of animals, 53.8% of 1095 respondents answered that this was probably or definitely not true. Question: What is the null and alternative hypothesis for this question
8
Statistics (UPVOTE WILL BE GIVEN. NO LONG EXPLANATION. CHOOSE THE CORRECT ANSWER.)
Need help with C , D and H please
In a study, a large sample representative of the households in the US were asked about their smoking habits. The data suggested that current smokers were on average much healthier than those who recently stopped smoking. Investigators concluded that smoking does not necessarily lead to worse health outcomes. Consider the following statements. Select the ones you agree with, based on the information given. Group of answer choices A.In a randomized experiment, smoker and non-smoker groups are similar across all potential characteristics. b.The conclusions were justified by the data. c.This is an observational study. d.This study is a randomized controlled experiment. e.The results can be explained due to confounding. Current smokers are different from those who recently stopped in ways that are related to health outcomes.
When we test the hypothesis that the population proportions are equal, we can use the Z test for a one-sided as well as a two-sided alternative. Select one: a. False b. True C. Not sure
A decade-old study found that the proportion of high school who felt that ‘getting rich was an important personal goal was 75%. Suppose that we have reason to believe that this proportion has changed., and we wish to carry out a hypothesis test to see if our belief can be supported. State the thanks hypothesis H0 and the alternative H1 that we would use for this test.
A public opinion poll surveyed a simple random sample of voters. Respondents were classified by gender (female or male) and by voting preference (Republican, Democrat, or Independent). The results are presented here: Republican 261 202 Female Male You want to determine if gender and voting preference are independent. Use a level of significance of a = 0.05. What is the test statistic for this test? (Round your answer to three decimal places.) Democrat 239 181 Independent 42 62
If P(high) = 0.36, P(low) = 0.64, P(favorable | high) = 0.94, and P(unfavorable | low) = 0.63, then what is P(favorable)? 0.0600 0.3384 0.3600 0.5752
need help please
In the past, 74% of the tourists who visited Chattanooga went to see Rock City. The management of Rock City recently undertook an extensive promotional campaign. They are interested in determining whether the promotional campaign actually increased the proportion of tourists visiting Rock City. Which of the following is the correct set of hypotheses? Ho: p 0.74 Ha: ps 0.74 O Ho: Ps 0.74 Ha: p > 0.74

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