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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