Maurice Tutor

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    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 17 Oct 2017 My Price 4.00

distribution of the random variable

During a typical Pennsylvania winter, I80 averages 1.6 potholes per 10 miles. A certain county is responsible for repairing potholes in a 30-mile stretch of the interstate. Let X denote the number of potholes the county will have to repair at the end of next winter.

(a) The distribution of the random variable X is (choose one)

(i) binomial (ii) hypergeometric (iii) negative binomial (iv) Poisson.

(b) Give the expected value and variance of X.

(c) Find P(4 < x="" ≤="" 9).="">

(d) The cost of repairing a pothole is $5000. If Y denotes the county’s pothole repair expense for next winter, find the mean value and variance of Y.

Answers

Maurice Tutor
(5)
Status NEW Posted 17 Oct 2017 07:10 PM My Price 4.00

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