# Math Help - p.d.f mean

1. ## p.d.f mean

Compute an approximate probability that the mean of a random variable sample of size 15 from s distribution with p.d.f

f(x)=3x^2 0<x<1

f(x)=0 elsewhere,

is between 3/5 and 4/5.

2. Originally Posted by varkoume.com
Compute an approximate probability that the mean of a random variable sample of size 15 from s distribution with p.d.f

f(x)=3x^2 0<x<1

f(x)=0 elsewhere,

is between 3/5 and 4/5.