Rup

December 26th 2005, 09:21 AM

Can anybody try to solve and explain this problem?

Let the distribution function of X for x>o be F(x) = 1- sum of (k = 0 to 3) [x^ke^-x]/k!. What is the pdf of X for x>0. Ans: 1/6(x^3e^-x)

Thanks

Rup

Let the distribution function of X for x>o be F(x) = 1- sum of (k = 0 to 3) [x^ke^-x]/k!. What is the pdf of X for x>0. Ans: 1/6(x^3e^-x)

Thanks

Rup