Probability distribution of random variable
Here is the complete probability distribution of random variable x. There are no other values of x except the ones listed.
x -5 -3 -2 1 3 4 7
P(x) 0.22 0.14 0.31 0.05 0.02 0.01 w
a. Determine w.
b. Determine the standard deviation of x.
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