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Show that customer purchases have a skewed distribution

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Reference no: EM131648860

Question: Groceries. A grocery store's receipts show that Sunday customer purchases have a skewed distribution with a mean of $32 and a standard deviation of $20.

a) Explain why you cannot determine the probability that the next Sunday customer will spend at least $40.

b) Can you estimate the probability that the next 10 Sunday customers will spend an average of at least $40? Explain.

c) Is it likely that the next 50 Sunday customers will spend an average of at least $40? Explain.

Reference no: EM131648860

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