Consider the probability distribution for the random variable x shown here: x -1 1 2 5 LO9
Question:
Consider the probability distribution for the random variable x shown here:
x -1 1 2 5 LO9 y .2 .4 .2 .2
a. Find m = E1x2.
b. Find s2 = E31x - m224.
c. Find s.
d. Interpret the value you obtained for m.
e. In this case, can the random variable x ever assume the value m? Explain.
f. In general, can a random variable ever assume a value equal to its expected value? Explain.
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Related Book For
Question Posted: