Mathematics, 13.06.2020 22:57 kait93
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 With is the manufacturer's claim supported?
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A manufacturer claims that its televisions have an average lifetime of at least five years (60 month...
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