Assignment 1.1
February 11, 2021
Part One:For the first part of your assignment this week take some time to perusethe “Dance”…
February 11, 2021

1) A manufacturer claims that the mean lifetime of its fluorescent bulbs is 1000 hours A homeowner selects 25 bulbs and finds the mean lifetime tobe 980 hours with a standard deviation of 80 hours If a = 005, test the manufacturer’s claim

a a) Give the Ho and Ha and label which is the claim
b) give the pvalue
c) give your final decision about the claim

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