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1.A discrete random variable is a random variable:

a.     that can assume any value in one or more


b.     whose values are countable

c.     that is derived from a random population

d.     that is determined by random probability


2.For a discrete random variable x, the probability of any value of x is:

a.     always greater than 1

b.     always less than zero

c.     always in the range zero to 1

d.     never greater than zero

3.What does P(M) =

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