Assume that the number of airline customer service complaints filed with the Department of Transportation's Office ofAviation Enforcement and Proceedings (OAEP) in one day is distributed as a Poisson variable. Complete parts (a)through (d) assuming that the mean number of customer service complaints in a month is 3.93 per day.a. What is the probability that in any given day zero customer service complaints against travel agents will be filed?The probability that zero customer service complaints will be filed is 0.0196(Round to four decimal places as needed.)b. What is the probability that in any given day exactly one customer service complaint against travel agents willbe filed?The probability that exactly one customer service complaint will be filed is.(Round to four decinal places as needed.)

a)It is given that, the number of airline customers service complaints filed with the Department of…

Answered: Assume that the number of airline…

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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4. Suppose the incubation period for land turtle eggs is normally distributed with a mean of sixty- seven days and standard deviation 7.4 days. a. Find the probability that a land turtle egg will take at least eighty days to hatch. b. Find the probability that a land turtle egg will take at most fifty-five days to hatch. c. Find the probability that a land turtle egg will take between fifty and eighty-five days to hatch. d. Find the length of time such that 85% of the land turtle eggs will have hatched by then. e. Suppose a veterinarian becomes concerned about the health of the land turtle if it takes longer than ninety days to hatch. What is the probability of this happening if the turtle is healthy? Is it likely for this to happen? f. Find and interpret the 90th percentile.
Assume the weight of groundhogs are approximately normally distributed, with a mean weight of 8.6 pounds, and standard deviation of 1.1 pounds. If you take a random sample of 5 groundhogs, what is the probability the sample mean will be less than 9 pounds? How would you shade the graph representing the scenario above? A) Right-tail including the mean B) Right-tail not including the mean C) Two-tails D) Left-tail including the mean E) Left-tail not including the mean F) Between two-tails OA OB OD OE OF
2.2) The average price of cell phones manufactured by Ahmadi, Inc. is $100 with a standard deviation of $10. Furthermore, it is known that the prices of the cell phones manufactured by Ahmadi are normally distributed. a) Suppose cell phones manufactured by Ahmadi, Inc. are used in a test. Find the probability that exactly two of the three cell phones have prices less than $100.
A soda company claims that the mean amount of soda in their bottles is 12 ounces. Determine whether the hypothesis for this claim is left-tailed, right-tailed, or two- tailed. two-tailed right-tailed left-tailed
a. Point out some special features of normal distribution. [2]b. The average daily sales of 600 branch offices was Rs. 150 thousand and the standard deviationRs. 15 thousand. Assuming the distribution to be normal, indicate how many branches have salesbetween Rs. 145 thousand and 170 thousand? [4]c. If 18% of the bolts produced by a machine are defective, determine the probability that outof 6 bolts at most 3 bolts will be defective. [4]
Suppose a geyser has a mean time between eruptions of 92 minutes. Let the interval of time between the eruptions be normally distributed with standard deviation 24 minutes. Complete parts (a) through (e) below.
Suppose that the commuting time on a particular train is uniformly distributed between 35 and 55 minutes. What is the standard deviation of the commuting time?
Assume that your aunt wrote 139 letters to her family members in 2019. Let the random variable x represent the number of these letters that she wrote on a given day. Assume also that this scenario has a Poisson distribution. What is the mean number of letters written per day? Round to 3 decimal places. What is the standard deviation? Round to 3 decimal places.
6.2) The monthly utility bills in a city are normally distributed, with a mean of $100 and a standard deviation of $12. Find the probability that a randomly selected utility bill is a) less than $70 b) between $90 and $120 c) more than $140

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