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Below is a probability distribution for the number of failures in an elementar statistics course. X 0 1 2 3 4 P(X=x) 0.41 0.1
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a ) PCX-a) - ? WIT, EPOXC) - > 0.484 0.16 +84007 +0.16 1- 0.8 ) al 0.2 . P(x=) 20:2 6) plxca) = P(x=0) + P(x+1) 0-4) +0.16 0:

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