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A sample of five measurements, randomly selected from a normally distributed population, resulted in the following summary statistics: x = 4.7, s = 1.2. Complete parts a through c. Uv. Do notreject no. There is insufficient evidence at the u - U.U T rever of significance to conclude that the que mean or the populauon Is less taro. O D. Reject Ho. There is sufficient evidence at the a = 0.01 level of significance to conclude that the true mean of the population is less than 6. b. Test the null hypothesis that the mean of the population is 6 against the alternative hypothesis, H #6. Use a = 0.01. If a = 0.01, find the rejection region for the test. Choose the correct answer below. O A. t 4.604 O B. t 3.747 O D. t 3.747 OF. t> 4.604 Calculate the value of the test statistic. t= (Round to two decimal places as needed.) Make the appropriate conclusion. Choose the correct answer below. O A. Do not reject Ho. There is insufficient evidence at the a = 0.01 level of significance to conclude that the true mean of the population is not 6. O B. Reject Ho. There is sufficient evidence at the a = 0.01 level of significance to conclude that the true mean of the population is not 6. O C. Reject Ho. There is insufficient evidence at the a = 0.01 level of significance to conclude that the true mean of the population is not 6. D. Do not reject Ho. There is sufficient evidence at the a = 0.01 level of significance to conclude that the true mean of the population is not 6. weHoped Click to select your answer(s). (? 25 4 STAED MacBook Air