Question : A random variable X has a pdf f(x) = i) Determine ii) Find
Last edited by zorro; Dec 13th 2009 at 06:49 PM.
Follow Math Help Forum on Facebook and Google+
Originally Posted by zorro Question : A random variable X has a pdf f(x) = i) Determine ii) Find What attempt have you made to this problem? First note that if f is a pdf, then ... To answer the second part, use the definition of the pdf.
Originally Posted by Chris L T521 What attempt have you made to this problem? First note that if f is a pdf, then ... To answer the second part, use the definition of the pdf. i am having with determining the value of A hw should i go about it
Originally Posted by zorro i am having with determining the value of A hw should i go about it Integrate each part of the piecewise function over its domain, and then set your answer equal to 1. Then solve the equation you created for A.
Originally Posted by Chris L T521 Integrate each part of the piecewise function over its domain, and then set your answer equal to 1. Then solve the equation you created for A. Is this correct?
Originally Posted by zorro Is this correct? Close... You need to add both of the values together and then set equal to 1. So
Originally Posted by Chris L T521 Close... You need to add both of the values together and then set equal to 1. So Now for Is this correct???
Originally Posted by zorro Now for Is this correct??? Correct! But note that you know what A is...so you should evaluate .
Originally Posted by Chris L T521 Correct! But note that you know what A is...so you should evaluate . thanks Chris L T521 for helping me so much Cheers mite
View Tag Cloud