How to support the ceo-s claim

Reference no: EM13143663

A CEO of a firm claims that the mean workday of the firm's accountants is less than 8.5 hours. A random sample of 35m of the firm's accountants has a mean workday of 8.2 hours with a standard deviation of 0.5 hour. At α = 0.01, can you support the CEO's claim?

Reference no: EM13143663

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