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A laptop manufacturer claims that the mean life of the battery for a certain model...

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Basic Math

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A laptop manufacturer claims that the mean life of the battery for a certain model laptop is less than 5 hours. Choose the correct null and alternative hypothesis.A. ?0: u ? 5; Ha: ?>5B. ?0: ?< 5; Ha: ?5C. H0 : ?> 5; HA ? ? 5D. H0-? ? 5; Ha ?< 5

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