Sunday, February 23, 2014

What is the height of the density curve between 0 and 2? Draw a graph of the density curve.Many random-number generators allow users to specify the...

The density function is defined like this case could be defined like  probability of getting any number in the domain (0<=x<=2) is the same.


Let f(x) = k .................(1), be the density function, for  o<=x<=2


Then f(x) = 0 for any other x .


Then for a density function, Integral f(x) dx should be 1 for x fro x=0 to x=2. Or


{Integral kdx  from x=0  to x=2} should equal to 1.Or


{[(kx)atx=2]- [(kx) at x=0} should be equal to 1. Or


2k-0 =1 . Or


k = 1/2. Substitute this value of k in (1) .


Therefore, the uniform height of the curve (or ordinate of the curve) is f(x) = k Or f(x) = 1/2. Or y =f(x) = 1/2.

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