Explore BrainMass

Explore BrainMass

    Probability density function

    Not what you're looking for? Search our solutions OR ask your own Custom question.

    This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here!

    #4. The probability density function of X, the lifetime of a certain type of electronic device (measured in hours), is given by

    f (x) = 10/x2 x > 10
    f (x) = 0 x ≤ 10

    (a) Find P{X > 20}.
    (b) What is cumulative distribution function of X?
    .. (see attachment)

    © BrainMass Inc. brainmass.com October 2, 2022, 7:42 pm ad1c9bdddf


    Solution Preview

    Hello and thank you for posting your question to Brainmass!
    The solution is attached below in two files. the files are identical in ...

    Solution Summary

    this shows how to find the cumulative distribution function.