SOLUTION: Find the mean and standard deviation of the following probability distribution: x 1 2 3 P(x) 0.1 0.2 0.7 Please show all of your work.

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Question 417679: Find the mean and standard deviation of the following probability distribution:

x 1 2 3
P(x) 0.1 0.2 0.7

Please show all of your work.

Answer by robertb(5830)   (Show Source): You can put this solution on YOUR website!
mean =
variance =
==> standard deviation = , to 4 decimal places.

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