Search
Ask a question
0

find x for randon variables 4 probability .10, 6 pis .60 and 8 probabiltiy .30 compute the mean and expected value

P stands for for probabiltiy for each number 4, 6, 8 computr the mean and the expected value

1 Answer by Expert Tutors

Tutors, sign in to answer this question.
Ryan H. | Ivy League Math and Computer Science TutorIvy League Math and Computer Science Tut...
4.9 4.9 (135 lesson ratings) (135)
0

The mean and the expected value are pretty much the same thing.  So all you do is multiply each number by its probabilitdamned then add:

 

4 * .1 + 6 * .6 + 8 * .3 =  6.4. (Hopefully this is right, I'm just learning it myself, currently...)