Question: please assist with the question below is the probability mass function y - 2 3 4 p ( ) 0,4 0 1 3 012 0,1

please assist with the question

please assist with the question below is the probability mass function y

below is the probability mass function y - 2 3 4 p ( ) 0,4 0 1 3 012 0,1 What is the Expected value of Y? What is the standard deviation of y

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