Question: Consider a random variable Y with the probability mass function: f(y)= (c*3^y)/(y!), y=2, 3, 4... a.) Find the value of c that makes this a

Consider a random variable Y with the probability mass function:

f(y)= (c*3^y)/(y!), y=2, 3, 4...

a.) Find the value of c that makes this a valid probability distribution.

b.) Calculate the expected value of Y.

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