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A) Four marbles are chosen without replacement from a box containing 11 red, 9 blue, and 4 yellow marbles. Let X be the number of blue marbles chosen....

A) Four marbles are chosen without replacement from a box containing 11 red, 9 blue, and 4 yellow marbles. Let X be the number of blue marbles chosen.a) Find and graph the probability distribution of X.b) Find the mean of the random variable X.B) A random sample of 20 people found that the number of mail-order catalogs that each had received in the last month were (in order from lowest to highest):0 0 3 4 7 7 8 9 14 17 24 32 36 40 44 45 50 58 62 63a) find the range, mean, median, and mode of the data setb) find the sample standard deviation.c) construct a histogram using classes of size 8.

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