Question: A random variable Y has following probability function Y -3 -2 -1 1 2 3 P(Y) 0.20 0.15 0.10 0.20 K 0.15 a) Find K

A random variable Y has following probability function

Y -3 -2 -1 1 2 3

P(Y) 0.20 0.15 0.10 0.20 K 0.15

a) Find K

b) Find P( 2 Y2 )

c) Find P( 2 Y )

d) Find Mean, Variance and Standard Deviation of the above distribution.

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