Essay
A manufacturer claims that its televisions have an average lifetime of at least five years (60 months) with a population standard deviation of seven months. Eighty-one televisions were selected at random, and the average lifetime was found to be 59 months. With α = 0.025, is the manufacturer's claim supported?
Correct Answer:
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Critical value = -1.96
Test value = -1....View Answer
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Correct Answer:
Verified
Critical value = -1.96Test value = -1....
View Answer
Unlock this answer now
Get Access to more Verified Answers free of charge
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