In a recent year, the average price of a Microsoft Windows Upgrade was $90.28 according to PC
Question:
In a recent year, the average price of a Microsoft Windows Upgrade was $90.28 according to PC Data. Assume that prices of the Microsoft Windows Upgrade that year were normally distributed, with a standard deviation of $8.53. If a retailer of computer software was randomly selected that year:
a. What is the probability that the price of a Microsoft Windows Upgrade was below $80?
b. What is the probability that the price was above $95?
c. What is the probability that the price was between $83 and $87?
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641 9028 853 a P x 80 z 121 From Table A5 area for ...View the full answer
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Related Book For 
Business Statistics for Contemporary Decision Making
ISBN: 978-0470910184
6th Edition
Authors: Ken Black
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