Question: Determine the value of c so that the following function is a probability density function: f(x) = c/(x + 1) 3 for x0. Suppose a

Determine the value of c so that the following function is a probability density function:

f(x) = c/(x + 1)3 for x0.

Suppose a random variable X satises E[X] = 32 and Var(X) = 16. What can be said

about P(20 < X < 44)?

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