2. The talk time (in hours) on a cell phone in a month is approximated by the probability density function x-10 x - 25 f(x)= for 10 < x <15, 1/1 for 15 ≤x≤20,- for 20≤x≤25. Determine the 5h 5h following: (a) h = (b) P(X <17.5) = (c) P(X<22.0) =

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2.
The talk time (in hours) on a cell phone in a month is approximated by the probability density function
x-10
x - 25
for 20≤x≤25. Determine the
5h
5h
f(x) = for 10 < x <15, 1/1 for 15 ≤x≤20, -
h
following:
(a) h =
(b) P(X <17.5) =
(c) P(X<22.0) =
Transcribed Image Text:2. The talk time (in hours) on a cell phone in a month is approximated by the probability density function x-10 x - 25 for 20≤x≤25. Determine the 5h 5h f(x) = for 10 < x <15, 1/1 for 15 ≤x≤20, - h following: (a) h = (b) P(X <17.5) = (c) P(X<22.0) =
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