Please Help!! Will Medal!!

The following table shows the probability distribution for a discrete random variable.What is the mean of this discrete random variable? (That is, what is E(X), the expected value of X?)

Question

Please Help!! Will Medal!!

The following table shows the probability distribution for a discrete random variable.What is the mean of this discrete random variable? (That is, what is E(X), the expected value of X?)

anonymous · Answer

attachment

kropot72 · Answer

$$E(X)=\sum_{}^{}xp(x)$$

anonymous · Answer

Could you please help me understand that because I don't.

kropot72 · Answer

Multiply each value of x by its probability and add the six values to find E(X).

anonymous · Answer

Thank you.

kropot72 · Answer

You're welcome :)
The first of the 6 values is (6 * 0.25) = 1.5