Question: Problem # 6: A box contains 4 black balls, 7 red balls, and 3 green balls. Three balls are drawn (without replacement). Find the probability

Problem # 6: A box contains 4 black balls, 7 red balls, and 3 green balls. Three balls are drawn (without replacement). Find the probability that the balls drawn are red, green, and black in that order. (4 points) Problem # 7: A box contains 5 black balls and 15 red balls. Two balls are drawn and each one is replaced before the next one is drawn. Find the probability that both balls are black. (3 points) Problem # 8: The number of students using the School Bus per day is found in the distribution below. Find the mean, variance, and the standard deviation for this probability distribution.(10pts) 3

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