The following table shows the probability distribution for a discrete random variable.

X= 12, 15, 17, 20, 22, 24, 25, 30
P(X)= 0.07, 0.21, 0.17, 0.25, 0.05, 0.04, 0.13, 0.08
What is the mean of this discrete random variable? (That is, what is E(X), the expected value of X?)

Question

The following table shows the probability distribution for a discrete random variable.

X= 12, 15, 17, 20, 22, 24, 25, 30
P(X)= 0.07, 0.21, 0.17, 0.25, 0.05, 0.04, 0.13, 0.08
What is the mean of this discrete random variable? (That is, what is E(X), the expected value of X?)

Mercury · Answer

Asked & answered here: https://questioncove.com/study#/updates/5ee1d50777126dc4b4639800 values are different but the formula/concept is the same