C. identify the standardized test statics. Use technology D. Decide whether to reject or fail to reject the bill hypothesis and (e) interpret the decision in the context of the original claim

A light bulb manufacturer guarantees that the mean life of a certain type of light bulb is at least 773 hours. A random sample of 25 light bulbs has a mean life of 757 hours. Assume the population is normally distributed and the population standard deviation is 62 hours. At a = 0.08, 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. He: |1 =757 O B. Ho: HI 757 (claim) OD. Ho: [1> 773 OE. Ho 12773 (claim) OF Holl# 773(claim) Ha us 773 (claim) Ha p