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Airida [17]
3 years ago
7

A department store has average daily sales of $29,876.76. The standard deviation of sales is $1000. On Tuesday, the store sold $

34,893.71 worth of goods. Find Tuesday's z score.

Mathematics
2 answers:
umka2103 [35]3 years ago
4 0

Answer with explanation:

Mean\Bar X = $ 29,876.76

Standard Deviation\sigma =  $1000

\mu =$34,893.71

Z-Score Formula

     Z_{score}=\frac{\Bar X -\mu}{\sigma}\\\\Z_{score}=\frac{29876.76-34893.71}{1000}\\\\=\frac{-5016.95}{1000}\\\\=-5.01695\\\\=-5.02

So, Tuesday Z-Score= -5.02

 

Furkat [3]3 years ago
3 0
This should be the correct answer. i hope this helps you out.

have a nice and wonderful day :)

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