A light bulb manufacturer guarantees that the mean life of a certain type of light bulb is at least 758 hours. A random sample of 29 light bulbs has a mean life of 745 hours. Assume the population is normally distributed and the population standard deviation is 65 hours. At alphaequals0.08, do you have enough evidence to reject the manufacturer's claim? Complete parts (a) through (e). Question content area bottom Part 1 (a) Identify the null hypothesis and alternative hypothesis. A. Upper H 0: mugreater than758 Upper H Subscript a: muless than or equals758 (claim) B. Upper H 0: muless than or equals745 Upper H Subscript a: mugreater than745 (claim) C. Upper H 0: muless than745 (claim) Upper H Subscript a: mugreater than or equals745 D. Upper H 0: munot equals758(claim) Upper H Subscript a: muequals758 E. Upper H 0: mugreater than or equals758 (claim) Upper H Subscript a: muless than758 Your answer is correct.F. Upper H 0: muequals745 Upper H Subscript a: munot equals745 (claim) Part 2 (b) Identify the critical value(s). Use technology. z 0 equals enter your response here (Use a comma to separate answers as needed. Round to two decimal places as needed.)