Standard deviation of the number


The number of Christmas trees sold by a shop during the month of December is a discrete uniform random variable having a = 20, b = 40.

(a) What is the probability that the shop sells 25 trees during the month of December?

(b) Determine the probability that the shop sells more than 30 trees during the month of December.

(c) What is the expected number of trees sold in the month of December?

(d) What is the standard deviation of the number of trees sold in the month of December?

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Basic Statistics: Standard deviation of the number
Reference No:- TGS0713931

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