Question: 5. Let f(x) c/(1 + x2). (a) For what value of c is a probability density function (b) For that value of c, find

5. Let f(x) c/(1 + x2). (a) For what value of c

5. Let f(x) c/(1 + x2). (a) For what value of c is a probability density function (b) For that value of c, find P(-1 < x < 1).

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