Suppose we have the following pdf for the random variable X
f(x) ={x 0<=x<=1
c/x^2 1<=x<= infinity
0 otherwise
}
(a) 2 points Find the value c such that f(x) is a valid pdf.
(b) 3 points Find the cdf of X.
(c) 1 point Find the 75th percentile of X.
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