A grocery store's receipts show that Sunday customer purchases have a skewed distribution with a mean...

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A grocery store's receipts show that Sunday customer purchases have a skewed distribution with a mean...

A grocery store's receipts show that Sunday customer purchases have a skewed distribution with a mean of $26 and a standard deviation of $14. Suppose the store had 312 customers this Sunday.

a) Estimate the probability that the store's revenues were at least $8 comma 400.

b) If, on a typical Sunday, the store serves 312 customers, how much does the store take in on the worst 1% of such days?

math Statistics-And-Probability

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