Question: Please answer part b Homework: Module 6: Univariate Hypothesis Testing - ... Question 25, 7.2.40-T HW Score: 51.55%, 20.1 of 39 points Part 2 of

Please answer part b

Homework: Module 6: Univariate Hypothesis Testing - ... Question 25, 7.2.40-T HW Score: 51.55%, 20.1 of 39 points Part 2 of 5 Points: 0.2 of 1 Save A light bulb manufacturer guarantees that the mean life of a certain type of light bulb is at least 731 hours. A random sample of 21 light bulbs has a mean life of 715 hours. Assume the population is normally distributed and the population standard deviation is 62 hours. At a = 0.05, do you have enough evidence to reject the manufacturer's claim? Complete parts (a) through (e). (a) Identify the null hypothesis and alternative hypothesis. O A. Ho: HS715 O B. Ho:=715 O C. Ho: H > 731 Ha: p>715 (claim) Hai p# 715 (claim) Haus731 (claim) O D. Ho: # 731(claim) O E. Ho: H

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