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May 27, 2015

Homework Help: statistics

Posted by mom on Thursday, October 4, 2012 at 11:03am.

Determine whether each of the distributions given below represents a probability distribution. Justify your answer.

(A)

x 1 2 3 4
P(x) 1/5 5/12 1/3 1/6




(B)

x 3 6 8
P(x) 0.2 2/5 0.3




(C)

x 20 35 40 50
P(x) 0.3 -0.1 0.5 0.3

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