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A light bulb manufacturer guarantees that the mean life of a certain type of light bulb is at least 754 hours. A random sample of 30 light bulbs has a mean life of 732 hours. Assume the population is normally distributed 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. OC Ho: > 754 YB. H,: u2 754 (claim) H u< 754 OA. Ho us 732 H, u> 732 (claim) H, us754 (claim) O D. H, p<732 (claim) H, p2732 O E H, u#754(claim) H, u= 754 OF. H =732 H, u+732 (claim) (b) Identify the criticarvalue(s). Use technology. (Use a comma to separate answers as needed. Round to two decimal places as needed.)

A light bulb manufacturer guarantees that the mean life of a certain type of light bulb is at least 754 hours. A random sample of 30 light bulbs has a mean life of 732 hours. Assume the population is normally distributed 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. OC Ho: > 754 YB. H,: u2 754 (claim) H u< 754 OA. Ho us 732 H, u> 732 (claim) H, us754 (claim) O D. H, p<732 (claim) H, p2732 O E H, u#754(claim) H, u= 754 OF. H =732 H, u+732 (claim) (b) Identify the criticarvalue(s). Use technology. (Use a comma to separate answers as needed. Round to two decimal places as needed.)

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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A light bulb manufacturer guarantees that the mean life of a certain type of light bulb is at least 754 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 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. OC. Ho: H>754 Ha us754 (claim) CB. Ho p2754 (claim) OA Ho: ps732 Ha p>732 (claim) Ha: µ<754 OE Ho H754(claim) H p= 754 OF. Ho:H=732 H u#732 (claim) O D. H, p<732 (claim) H, p2 732 (b) Identify the critical value(s). Use technology. Zo = (Use a comma to separate answers as needed. Round to two decimal places as needed.)
Transcribed Image Text:A light bulb manufacturer guarantees that the mean life of a certain type of light bulb is at least 754 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 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. OC. Ho: H>754 Ha us754 (claim) CB. Ho p2754 (claim) OA Ho: ps732 Ha p>732 (claim) Ha: µ<754 OE Ho H754(claim) H p= 754 OF. Ho:H=732 H u#732 (claim) O D. H, p<732 (claim) H, p2 732 (b) Identify the critical value(s). Use technology. Zo = (Use a comma to separate answers as needed. Round to two decimal places as needed.)
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