7.20 Let x denote the lifetime (in thousands of hours) of a certain type of fan used...
Question:
7.20 Let x denote the lifetime (in thousands of hours) of a certain type of fan used in diesel engines. The density curve of x is as pictured:
0 25 50 Shade the area under the curve corresponding to each of the following probabilities (draw a new curve for each part). (Hint: See Example 7.8.)
a. Ps10 , x , 25d
b. Ps10 # x # 25d
c. Psx , 30d
d. The probability that the lifetime is at least 25,000 hours
e. The probability that the lifetime exceeds 25,000 hours
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Related Book For
Introduction To Statistics And Data Analysis
ISBN: 9781305445963
5th Edition
Authors: Roxy Peck, Chris Olsen, Jay L Devore
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