SOLUTION: A point is chosen at random from the interior of a right triangle with height 1 and base 1. Let Y denote the distance from the chosen point to the base of the triangle. Find the PD

Algebra ->  Probability-and-statistics -> SOLUTION: A point is chosen at random from the interior of a right triangle with height 1 and base 1. Let Y denote the distance from the chosen point to the base of the triangle. Find the PD      Log On


   



Question 440040: A point is chosen at random from the interior of a right triangle with height 1 and base 1. Let Y denote the distance from the chosen point to the base of the triangle. Find the PDF and CDF of Y.
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
Let Y = the distance from the chosen point to the base of the triangle.
Then .
This is the cdf of Y.
(Note that since this is a continuous density function, P(Y = y) = 0.)
To get the PDF, get the derivative:
f%5BY%5D%28y%29+=+2+-+2y, or f%5BY%5D%28y%29+=+2%281+-+y%29, the pdf of Y.