TEST III FIND THE MEAN AND VARIANCE AND STANDARD DEVIATION OF THE FOLLOWING PROBABILITY DISTRIBUTIONS. 2 points each. show your solutions. 1.) X 1 6 11 16 22 P(X) 1/7 1/7 2/7 1/7 2/7 2) X 1 2 3 4 5 P(X) 1/10 3/10 1/10 2/10 3/10
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