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9.2.8-T Question Help A sporting goods store believes the average age of its customers is 39 or less. A random sample of 40 c
Determine the null and alternative hypotheses. H: HO The z-test statistic is (Round to two decimal places as needed.) The cri
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al Ho! M = 39 USHI : 42 39 C ( Average of customes is 39 or less ) taided test Under Ho, test statistic 1. z = T-1 olsn H (0,

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