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the first kernel pops 127 seconds after the microwave oven is started. what is the z-score of this kernel? round your answer two decimal places.

2 Answers

1 vote

Answer:

D) -2.30

Explanation:

I just got it right 10.4.4

User Isethi
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1 vote
z = (x - µ)/σ

z = (127 - 150)/10 = -23/10 = -2.3
User Onshop
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