Question: The weekly flier from a large box store always features many items having a mail-in rebate. A random sample of 50 submissions produced the summary

The weekly flier from a large box store always features many items having a mail-in rebate. A random sample of 50 submissions produced the summary statistics X̅ = 43 and s = 7. 7 days for the time interval between submission and receipt of the rebate check. Construct a point estimate of the population mean time to process, μ, and give its 90% error margin.

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