Mathematics, 16.06.2020 18:57 andreanaapollon6337
During a typical Pennsylvania winter, I80 averages 1.6 potholes per 10miles. A certain county is responsible for repairing potholes in a 30-mile stretch of the interstate. LetXdenote the number of potholes thecounty 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)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 Y?
Answers: 2
Mathematics, 21.06.2019 16:30, kenken2583
Which of the following answers is 7/9 simplified? 7/9 2/9 11/9 2/7
Answers: 2
Mathematics, 21.06.2019 21:50, rubieceleste548
Rachel is studying the population of a particular bird species in a national park. she observes every 10th bird of that species that she can find in the park. her conclusion is that the birds living in the park who belong to that species generally feed on insects. rachel's sample is . based on the sample she picked, rachel's generalization is . reset next
Answers: 1
Mathematics, 21.06.2019 23:10, nekathadon
Frank is lending $1,000 to sarah for two years. frank and sarah agree that frank should earn a real return of 4 percent per year. instructions: a. the cpi (times 100) is 100 at the time that frank makes the loan. it is expected to be 113 in one year and 127.7 in two years. what nominal rate of interest should frank charge sarah?
Answers: 3
Mathematics, 22.06.2019 00:30, hhvgbv7147
A)a square brown tarp has a square green patch green in the corner the side length of the tarp is (x + 8) and the side length of the patch is x what is the area of the brown part of the tarpb)a square red placemat has a gold square in the corner the side length of the gold square is (x - 2) inches with the width of the red region is 4 in what is the area of the red part of the placemat
Answers: 2
During a typical Pennsylvania winter, I80 averages 1.6 potholes per 10miles. A certain county is res...
Mathematics, 06.04.2020 04:07
History, 06.04.2020 04:07
Mathematics, 06.04.2020 04:07
Medicine, 06.04.2020 04:07
Mathematics, 06.04.2020 04:07
Spanish, 06.04.2020 04:07