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Suppose X is a discrete random variable with probability distribution function given in the table
below.
a) What is the mean of X?
b) Find p(X> -1)
c) Let Y=X-1. what is the mean of Y?
x-1015p(x)0.3?0.30.2

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Suppose X is a discrete random variable with probability distributio.pdf

  • 1. Suppose X is a discrete random variable with probability distribution function given in the table below. a) What is the mean of X? b) Find p(X> -1) c) Let Y=X-1. what is the mean of Y? x-1015p(x)0.3?0.30.2