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OpenStudy (anonymous):
Find the missing probability in the table below. X 1 2 3 4 P(X) 0.40 0.20 0.20 ? A. 0.40 B. 0.20 C. 0.10 D. 0.80
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OpenStudy (kropot72):
The sum of the four values of probability must equal 1.00. Let the unknown value of probability be x. x + 0.4 + 0.2 + 0.2 = 1 Now you need to solve to find x.
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