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Score: 0 of 1 pt Say 4 of 11 (10 complete) 7.2.40-T HW Score: 62.59%, 6.88 of 11 Tutoring Question Help A light bulb manufacturer guarantees that the mean life of a certain type of light bulb is at least 750 hours. A random sample of 30 light bulbs has a mean life of 732 hours. Assume the population is normally distributed and the population standard deviation is 60 hours. At a = 0.02, 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. H: H = 732 O B. Ho: H # 750(claim) O C. Ho: HIS 732 Ha: H # 732 (claim) Ha: H = 750 Ha: H > 732 (claim) O D. H: H > 750 O E. Ho: H