The continuous random variable X has probability density function fx(x) where fx(x) = otherwise a. Show that P(X > x) = e¬A#. b. Show that the mean of the distribution is . d. Show that the variance of the distribution is .

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.1: Measures Of Center
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The continuous random variable X has probability density function fx(x) where
fx (x) = de-dz
(0,
x > 0
otherwise
a. Show that P(X > x) = e-Ar.
b. Show that the mean of the distribution is .
d. Show that the variance of the distribution is .
Transcribed Image Text:The continuous random variable X has probability density function fx(x) where fx (x) = de-dz (0, x > 0 otherwise a. Show that P(X > x) = e-Ar. b. Show that the mean of the distribution is . d. Show that the variance of the distribution is .
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