How unusual is this event z-score

Reference no: EM13241750

How unusual is this event (Z-Score)?

A department store, on average, has daily sales of $28,707.47. The standard deviation of sales is $1000. On Tuesday, the store sold $34,650.77 worth of goods. Find Tuesday's z score. Was Tuesday an unusually good day?

Reference no: EM13241750

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