I need the answers of all 5. It is possible to directly compare the results of a confidence interval estimate to the resultsobtained by testing a null hypothesis if:a. a two-tailed test is used.b. a one-tailed test is used.c. both of the previous statements are true.d. none of the previous statements is true.6. Suppose a 95% confidence interval for the proportion of iraqi people who exercise regularlyis 0.29 to 0.37. Which one of the following statements is FALSE?a. The hypothesis that 33% of Iraqi people exercise regularly cannot be rejected.b. It is reasonable to say that more than 40% of Iraqi people exercise regularly.c. It is reasonable to say that more than 25% of Iraqi people exercise regularlyd. It is reasonable to say that fewer than 40% Iraqi people exercise regular7. A statistics professor used X = "number of class days attended" (out of 30) as an independentvariable to predict Y = "score received on final exam" for a class of his students. The resultingregression equation was Y = 39.4 + 1.4X. Which of the following statements is true?a. If attendance increases by 1.4 days, the expected exam score will increase by 1 pointb. If attendance increases by 1 day, the expected exam score will increase by 39.4 pointsc. If attendance increases by 1 day, the expected exam score will increase by 1.4 pointsd. If the student does not attend at all, the expected exam score is 1.4

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It is possible to directly compare the results of a confidence interval estimate to the results obtained by testing a null hypothesis if: a. a two-tailed test is used. b. a one-tailed test is used. c. both of the previous statements are true. d. none of the previous statements is true.

It is possible to directly compare the results of a confidence interval estimate to the results obtained by testing a null hypothesis if: a. a two-tailed test is used. b. a one-tailed test is used. c. both of the previous statements are true. d. none of the previous statements is true.

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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