Discrete probability function

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Reference no: EM1395262

For a discrete probability function that is given as:

y 1 2 3 4 5 6 7
P(Y=y) .01 .03 .13 .25 .39 .17 .02

a. What is the expected value E(Y)?

b. What is the standard deviation (σ) of the random variable Y?

Reference no: EM1395262

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