SOLUTION: here is another question i asked before thanks for the all the help find the mean standard deviation variance for x p(x) 0 0.47 1 0.40 2 0.13

Algebra ->  Probability-and-statistics -> SOLUTION: here is another question i asked before thanks for the all the help find the mean standard deviation variance for x p(x) 0 0.47 1 0.40 2 0.13      Log On


   

Question 393801: here is another question i asked before thanks for the all the help
find the
mean
standard deviation
variance
for
x p(x)
0 0.47
1 0.40
2 0.13
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
mean: mu+=E%28X%29=+0%2A0.47+%2B+1%2A0.40+%2B+2%2A0.13+=+0.66
variance:
==> standard deviation = sigma+=+sqrt%280.4844%29+=+0.696, to 3 decimal places.

I hope you finally get it...