SOLUTION: ] The cumulative distribution function of the random variable X is given by: F(x)={(1-9/(x^2 ) )for x<3 otherwise 0 Find the probability density function for the random variabl

Algebra ->  Probability-and-statistics -> SOLUTION: ] The cumulative distribution function of the random variable X is given by: F(x)={(1-9/(x^2 ) )for x<3 otherwise 0 Find the probability density function for the random variabl      Log On


   



Question 1028799: ] The cumulative distribution function of the random variable X is given by:
F(x)={(1-9/(x^2 ) )for x<3 otherwise 0
Find the probability density function for the random variable X.
compute p(X≤ 5) and p( 8< X )
Find the expected value for the random variable X.


Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
There is something fundamentally wrong with your cdf, my friend. Now be serious and try again. :)
( F(x) should approach 1 as x approaches infinity. Yours don't.)