"The number of accidents per week..." please help with all if possible The number of accidents per week at a hazardous intersection varies with mean 2.2 and standard deviation 1.4. This distribution takes only whole-number values, so it iscertainly not Normal.(i). Let X be the mean number of accidents per week at the intersection during a year (52 weeks). What is the approximate distribution of X?(ii). What is the approximate probability that X is less than 2? Show your work and include appropriate graphs of normal density curves of X and Z as illustration.(iii). What is the approximate probability that there are fewer than 100 accidents at the intersection in a year? (Hint: Restate this event in terms of X.)(iv). Approximately at least how many accidents per week at this intersection will we observe for 95% of the time?B I UAI E E Ex x, E E12ptParagraph

As per bartleby policy I answered the first three subparts

Answered: The number of accidents per week at a…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Tom Leonard, of Leonard, Spitz, and Wareham takes an average of 1 hour and 45 minutes to write an end month report. Tom is rated at 110% work pace and there is an allowance of 12%. What is the Normal Time for writing an end month report? What is the standard time for completing an end month report? ONT=121 mins, ST = 142mins ONT= 103 mins, ST= 121 mins ONT = 112 mins, ST = 130 mins ONT = 116 mins, ST = 130 mins O None of the above
1. Each student in the class measures the length of their step in centimeters, then walks across the room counting the number of steps to estimate the length of the classroom in centimeters. : .. 750 752 754 756 758 760 762 764 766 768 770 772 774 length of classroom (cm)
2. Kenneth threw a basketball toward the hoop. At the time the ball left his hands it was travelling at a rate of 8 meters per second. a. How many meters above his hands was the ball after i. 1 second ii. 0.5 seconds iii. 1.5 seconds b. After 0.5 seconds, was the ball on its way up or down? Justify your answer. c. i. How many meters was the ball above his hands after 0.2 seconds? ii. If the ball left Kenneth's hands at a distance of 3 meters above the floor, how far from the floor will the ball be after 0.2 seconds? d. Given that the ball left Kenneth's hands 3 meters above the floor, if Kenneth misses the shot, how long will it take the ball to hit the floor? e. The ceiling of the gym has beams at a height of 15 meters above the floor. Can the ball possibly touch one of these beams? Justify your answer.
and 6. How many 3 A car needs 1 minute 30 seconds to travel a distance of 1 mile. At this rate, how many miles will the car travel in 1 hour? 4. a special sale, all pen
A certain company produces potting soil and sells it in 50 lb bags. Suppose that 100,000 bags are to be produced each year. It costs $8 per year to store a bag of potting soil, and it costs $4,000 to set up the facility to produce a batch of bags. Find the number of bags per batch that should be produced. OA. 14,121 OB. 100,000 OC. 9,574 OD. 10,000
Please help with parts c, d, and e. Thank you!
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according to the department of cars ,trucks , and light duty trucks are driven on an average of about 12,000miles per year,and consume on an average roughly 700 gallons of gas. A. What is the average fuel economy in miles per gallon obtained by these vehicles? B.How meny gallons of gas would the average vehicle save each year if average fuel economy increased by 4 miles per gallon? C Assuming that 21.9 pounds of CO2 are emitted for every gallon of gas consumed, how meny fewer pounds of CO2 would the average vehicle emit annually with a 4 miles per gallon increase in fule economy?
For this problem, carry at least four digits after the decimal in your calculations. Answers may vary slightly due to rounding.In a combined study of northern pike, cutthroat trout, rainbow trout, and lake trout, it was found that 20out of 860fish died when caught and released using barbless hooks on flies or lures. All hooks were removed from the fish. (a) Let prepresent the proportion of all pike and trout that die (i.e., pis the mortality rate) when caught and released using barbless hooks. Find a point estimate for p. (Round your answer to four decimal places.)(b) Find a 99% confidence interval for p. (Round your answers to three decimal places.) lower limit upper limit

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