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The average cost per slice of pizza is 88 cents with a standard deviation of 5 cents what is the z score of a slice of pizza with a cost of 99 cents

The average cost per slice of pizza is 88 cents with a standard deviation of 5 cents what is the z score of a slice of pizza with a cost of 99 cents
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the average cost per slice of pizza is 88 cents with a standard deviation of 5 cents what is the z score of a slice of pizza with a cost of 99 cents

User OG Sean
by
8.7k points

1 Answer

3 votes
z = (x -μ)/σ
.. = (99 -88)/5
.. = 11/5
.. = 2.2

The z score is 2.2.
User Alex Kofman
by
8.9k points
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