Mathematics, 09.11.2020 06:30 kenz391
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):
a. P(10
b. P(10 Sxs 25)
c. P(x < 30)
d. The probability that the lifetime is at least 25.000 hr
e. The probability that the lifetime exceeds 25.000 hr
Answers: 1
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7.20 Let x denote the lifetime (in thousands of hours) of
a certain type of fan used in diesel engi...
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