Question: Help A rand Conduct a hypothesis test to determine if the population mean time on death row could likely be 15 years. + Part (a)

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A rand Conduct a hypothesis test to determine if the population mean time on death row could likely be 15 years. + Part (a) + Part (b) + Part (c) + Part (d) + Part (e) Part (f) Is the population standard deviation known? Yes NO If so, what is it? (Enter your answer to one decimal place. If the standard deviation is not known enter DNE.) Part (g)

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