Question: Refer to the monthly intersection accident data in Exercise 2.4. Considering an even longer record leads to a distribution for X = number of accidents

Refer to the monthly intersection accident data in Exercise 2.4. Considering an even longer record leads to a distribution for X =

number of accidents in a month.Value Probability x f(x) 0 .08 123456 .20 .19 .24 .14 .13

(a) Calculate E (X).

(b) Calculate sd (X).

(c) Draw the probability histogram and locate the mean.

Value Probability x f(x) 0 .08 123456 .20 .19 .24 .14 .13 .02

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