Suppose it is known that the life X of a particular
Chapter , Problem 2.124(choose chapter or problem)
Suppose it is known that the life X of a particular compressor, in hours, has the density function f(x) = 1 900 ex/900, x> 0, 0, elsewhere. (a) Find the mean life of the compressor. (b) Find E(X2). (c) Find the variance and standard deviation of the random variable X.
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer