Question
Let X denote the amount of time a book on two-hour reserve is actually checked out,...
Let X denote the amount of time a book on two-hour reserve is actually checked out, and suppose the cdf is
F(x) = 0 x < 0
F(x) = x2/4 0 ≤ x < 2
F(x) = 1 2 ≤ x
Use the cdf to obtain the following
a) P[ X ≤ 1 ]
b) P[ 0.5 ≤ X ≤ 1 ]
c) P[ X > 1.5 ]
d) Expected value of X, E[X]
e) Variance of X, Var[X]
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