SOLUTION: for a group of four men , the probability distribution for the number x who live through the next year is as given in the accompanying table. find out the mean and the standard dev

Algebra ->  Probability-and-statistics -> SOLUTION: for a group of four men , the probability distribution for the number x who live through the next year is as given in the accompanying table. find out the mean and the standard dev      Log On


   



Question 633853: for a group of four men , the probability distribution for the number x who live through the next year is as given in the accompanying table. find out the mean and the standard deviation
x | p(x)
0 | 0.05
1 | 0.15
2 | 0.45
3 | 0.25
4 | 0.10

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
for a group of four men , the probability distribution for the number x who live through the next year is as given in the accompanying table. find out the mean and the standard deviation
x | p(x)
0 | 0.05
1 | 0.15
2 | 0.45
3 | 0.25
4 | 0.10
----
mean = 2.2
std = 0.9800
=================
Cheers,
Stan H.
==================