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19 Apr 2018
A set of 10 cards consists of five red cards and five black cards. The cards are shuffled thoroughly. 13. One card is to be selected at random. The color will be observed and the card replaced in the set. The cards are then thoroughly reshuffled. This selection procedure is repeated four times. Let X = the number of red cards observed in these four trials. What is the mean of X? A) 0.5 B) 1 C) 2 D) 4
A set of 10 cards consists of five red cards and five black cards. The cards are shuffled thoroughly. 13. One card is to be selected at random. The color will be observed and the card replaced in the set. The cards are then thoroughly reshuffled. This selection procedure is repeated four times. Let X = the number of red cards observed in these four trials. What is the mean of X? A) 0.5 B) 1 C) 2 D) 4
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22 Apr 2018
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