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core or Assume the average price of a laptop computer is 5725 with a standard deviation of 300. The following data represent
Assume the average price of a laptop computer is $725 with a standard deviation of $60. The following data represent the pric
Question Help $725 with a standard deviation of $60. The following data represent the prices of a sample of laptops at an ele
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Answer #1

µ =    725
σ =    60

a) Z=(X-µ)/σ=   (639-725)/60=       -1.43
b) Z=(X-µ)/σ=   (861-725)/60=       2.27

c) Z=(X-µ)/σ=   (548-725)/60=       -2.95

d) Z=(X-µ)/σ=   (791-725)/60=       1.10

e) Z=(X-µ)/σ=   (914-725)/60=       3.15

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