f your claim is in the null hypothesis and you reject the null hypothesis, then your conclusion would be: There is not sufficient evidence to warrant rejection of the original claim The sample data support the original claim There is sufficient evidence to warrant rejection of the original claim There is not sufficient sample evidence to support the original claim

f your claim is in the null hypothesis and you reject the null hypothesis, then your conclusion would be: There is not sufficient evidence to warrant rejection of the original claim The sample data support the original claim There is sufficient evidence to warrant rejection of the original claim There is not sufficient sample evidence to support the original claim

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Suppose that you want to perform a hypothesis test for a population mean, μ. a. Express the null hypothesis both in words and in symbolic form. b. Express each of the three possible alternative hypotheses in words and in symbolic form.
Which of the following is the first step in hypothesis testing? (a) Developing a null and alternative hypothesis. (b) Drawing a sample from the population. (c) It does not matter where you begin when you test hypotheses. (d) Setting the cutoff value for rejecting the null hypothesis.
A researchers claims 45% of couples have children. They conduct a hypothesis test and reject the null hypothesis. What type of error could have been committed here? Type 1, type 2, or power if the test?
A radio station states that 30% of the songs they play each week are from Canadian artists. A DJ working at the station claims that the actual percentage differs from what the station states. The DJ takes a random sample of 87 songs played during a given week and finds that 28 of them are from Canadian artists. Use this information to answer the questions below. a. Suppose the DJ wishes to perform a hypothesis test of his claim. Select the most appropriate null and alternative hypotheses for this hypothesis test. H0:p^≠0.3Ha:p^=0.3 H0:x―=0.3Ha:x―≠0.3 H0:μ≠0.3Ha:μ=0.3 H0:p=0.3Ha:p≠0.3 H0:μ=0.3Ha:μ≠0.3 H0:p≠0.3Ha:p=0.3 H0:p^=0.3Ha:p^≠0.3 H0:x―≠0.3Ha:x―=0.3 b. To assess his hypothesis, the DJ wants to compute a bootstrap-based confidence interval from his sample. Which of the following uses of the quantile() function would produce the correct interval bounds for a 96% bootstrap-based confidence interval? c(quantile(B$mean, 0.04), quantile(B$mean, 0.96)) c(quantile(B$mean, 0.02),…
Rejection of the null hypothesis in the two-sample case imp;ies thatr the a. samples are different on the trait of interest b. populations from which the samples are drawn are different on the trait of interest c. samples are not different on the trait of interest d. populations from which the samples are drawn are not different on the trait of interest
Consider a drug that is used to help prevent blood clots in certain patients. In clinical trials, among 5791 patients treated with this drug, 160 developed the adverse reaction of nausea. Use a 0.10 significance level to test the claim that 3% of users develop nausea. Does nausea appear to be a problematic adverse reaction? Identify the null and alternative hypotheses for this test. Choose the correct answer below. A. Ho:p=0.03 H4:p#0.03 O B. Ho: p#0.03 H4:p=0.03 OC. Ho: p=0.03 H4:p0.03 Identify the test statistic for this hypothesis test. The test statistic for this hypothesis test is (Round to two decimal places as needed.) Identify the P-value for this hypothesis test. The P-value for this hypothesis test is (Round to three decimal places as needed.)
State standards mandate that 90% of municipal officers responding to emergency calls will reach their destination within 5 minutes. To test this, you randomly sample 115 emergency calls to your department, and you find that out of those 115 calls, 90 officers get where they need to go within 5 minutes. What hypothesis test would you use to test whether your officers meet state standards? (Don't compute the result, but just choose the appropriate hypothesis test and briefly explain the reasoning for your choice)
(D) decide whether to reject or fail to reject the null hypothesis and (e) interpret the decision in the context of the original claim. (Reject, fail to reject) the null hypothesis. There (is, is not) enough evidence to (support,reject) the center’s claim.
In an hypothesis test the decision was made to reject the null hypothesis. The null hypothesis was later determined to be true. What kind of error, if any, was committed? Type I error Type II error No error
The Test statistic test: The P value: The Critical Value: The Decision Rule: The Decision: The Conclusion:
left tail or right tailed or two tailed null or alternative greater than or equal to or not equal to or less than to reject or in support of reject or support alternative or null
If a hypothesis test is performed and the null hypothesis is rejected in favor of the alternative hypothesis, does the test prove that the alternative hypothesis is correct? Choose the correct answer below. A.The test does not prove the alternative hypothesis correct, because only one test was done, and it takes at least hypothesis tests to prove a claim about a population parameter. B.The test does not prove the alternative hypothesis correct, because of the possibility of rejecting the null hypothesis when the null hypothesis is true. C.The test proves the alternative hypothesis correct, because once the null hypothesis is rejected, the only possibility that remains is for the alternative hypothesis to be true. D.The test proves the alternative hypothesis correct, because it shows that all the evidence suggests that the alternative hypothesis is true.