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 theprobability distributionof X.b) Find the mean of therandom variableX.B) A random sample of 20 people found that the number of mail-order catalogsthat 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 samplestandard deviation.c) construct a histogram usingclassesof size 8.