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A furniture store claims that a specially ordered product will take, on average, = days (5 weeks) to arrive. The standard deviation of these waiting...

A furniture store claims that a specially ordered product will take, on average, = days (5 weeks) to arrive. The standard deviation of these waiting times is days. We suspect that the special orders are taking longer than this. To test this suspicion, we track a random sample of special orders and find that the orders took a mean of days to arrive. Can we conclude at the level of significance that the mean waiting time on special orders at this furniture store exceeds 35 days?

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