2. Given f(x) is the pdf of a discrete random variable x: a. f(x) = 6-x 18 P(4 < x≤ 10) = x = 0 x = 1,2,3,4,5 35 b. Given that the expected value = 18 Find the standard deviation of x.

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2. Given f(x) is the pdf of a discrete random variable x:
1
f(x) =
b.
6-x
18
a. P(4< x≤ 10) =
x = 0
x = 1,2,3,4,5
Given that the expected value
=
35
18
"
Find the standard deviation of x.
Transcribed Image Text:2. Given f(x) is the pdf of a discrete random variable x: 1 f(x) = b. 6-x 18 a. P(4< x≤ 10) = x = 0 x = 1,2,3,4,5 Given that the expected value = 35 18 " Find the standard deviation of x.
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