The following is the probability distribution of the number of accidents in one day.x789101112p(x=x)0.130.210.090.330.12a(a) Compute the value of ?.(b) Find the probability that at least nine accidents in one day.(c) Find the probability that at most eight accidents in one day.(d) Find the expected value of ?.(e) Find the variance and standard deviation of ?. 1.The following is the probability distribution of the number of accidents in one day.X78101112P(X = x)0.130.210.090.330.12a(а)(b)(c)(d)(e)Compute the value of a.Find the probability that at least nine accidents in one day.Find the probability that at most eight accidents in one day.Find the expected value of X.Find the variance and standard deviation of X.

As per our guidelines we are suppose to answer three sub parts. X 7 8 9 10 11 12 P(X=x) 0.13…

The following is the probability distribution of the number of accidents in one day. x 7 8 9 10 11 12 p(x=x) 0.13 0.21 0.09 0.33 0.12 a (a) Compute the value of ?. (b) Find the probability that at least nine accidents in one day. (c) Find the probability that at most eight accidents in one day. (d) Find the expected value of ?. (e) Find the variance and standard deviation of ?.

The following is the probability distribution of the number of accidents in one day. x 7 8 9 10 11 12 p(x=x) 0.13 0.21 0.09 0.33 0.12 a (a) Compute the value of ?. (b) Find the probability that at least nine accidents in one day. (c) Find the probability that at most eight accidents in one day. (d) Find the expected value of ?. (e) Find the variance and standard deviation of ?.

Calculus For The Life Sciences

2nd Edition

ISBN:9780321964038

Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.

Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.

Chapter13: Probability And Calculus

Section13.2: Expected Value And Variance Of Continuous Random Variables

Problem 10E

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Question

100%

The following is the probability distribution of the number of accidents in one day.

x	7	8	9	10	11	12
p(x=x)	0.13	0.21	0.09	0.33	0.12	a

(a) Compute the value of ?.
(b) Find the probability that at least nine accidents in one day.
(c) Find the probability that at most eight accidents in one day.
(d) Find the expected value of ?.
(e) Find the variance and standard deviation of ?.