Question

1)The diameter of an electric cable, Say X, is assumed to be continuous random variable with p.d.f.
f(x)=6x(1-x), 0\le x\le 1
a)Show that f x( )is a p.d.f

b)Determine a number b such that p(x < b) = p(x > b)

c)Find the mean of X.

Answer 1

Answer:

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Step-by-step explanation:

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