adriannao9850 adriannao9850

19-03-2020
Mathematics

contestada

A department store, on average, has daily sales of $154.87. The standard deviation of sales is $24.67. On Tuesday, the store sold $101.69 worth of goods. Find Tuesday's z score.

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chloerayne03 chloerayne03

19-03-2020

Z-Score= x-value minus mean (average) / standard deviation so z score equals -2.16 or 1.54% below the mean based on table a

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