A random bariable X takes values between 0 and infinity with a CDF F(x)= A+B*exp(-x) for 0<=x<=oo. Find values of A and B and graph cdf and what is P(2<=x<=3)?

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The CDF of an exponential is so A=1, B=-1 and . That probability is F(3)-F(2).

Originally Posted by bookie88 A random bariable X takes values between 0 and infinity with a CDF F(x)= A+B*exp(-x) for 0<=x<=oo. Find values of A and B and graph cdf and what is P(2<=x<=3)? To get the values of A and B note that you require and . Therefore ....

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