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Problem # 2 ( 12 pts) (Make sure you show your work, or you lose 12 pts). A concerned parents group determined the number of

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Problem # 2 ( 12 pts) (Make sure you show your work, or you lose 12 pts). A concerned parents group determined the number of commercials shown in each of five children's programs over a period of time. Find the mean, variance and standard deviation for the distribution shown. (Using the definition, not the computational formula). X (# of P(X) commercials) 5 0.20 6 . 0.20 0.38 8 0.10 9 0.07 10 0.05 TOTAL

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