Find the indicated probability.24.A report from the Secretary of Health and Human Services stated that 70% of single-vehicle trafficfatalities that occur at night on weekends involve an intoxicated driver. If a random sample of 15 single-vehicle traffic fatalities that occur at night on a weekend is selected, find the probability that 11 involvea driver who is intoxicated.a) 0.57b).0.22c) 0.39d) 0.69e) 0.71Find the indicated probability.It has been estimated that 40% of marriages end in divorce. If you randomly select 9 recently marriedcouples what is the probability that at least one of the marriages will end in divorce?25.

Binomial distribution: The binomial distribution gives the probability of number of successes out of…

Answered: Find the indicated probability. 24. 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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18. Stress at work: In a poll conducted by the General Social Survey, 81% of respondents said that their jobs were sometimes or always stressful. Two hundred workers are chosen at random. a. Approximate the probability that 160 or fewer find their jobs stressful.
The probability is 0.35 that a traffic fatality involves an intoxicated or alcohol-impaired driver or nonoccupant. In nine traffic fatalities, find the probability that the number, Y, which involve an intoxicated or alcohol-impaired driver or nonoccupant is a. exactly three; at least three; at most three. b. between two and four, inclusive. c. Find and interpret the mean of the random variable Y. d. Obtain the standard deviation of Y. a. The probability that exactly three traffic fatalities involve an intoxicated or alcohol-impaired driver or nonoccupant is enter your response here. (Round to four decimal places as needed.) Part 2 The probability that at least three traffic fatalities involve an intoxicated or alcohol-impaired driver or nonoccupant is enter your response here. (Round to four decimal places as needed.) Part 3 The probability that at most three traffic fatalities involve an intoxicated or alcohol-impaired driver or nonoccupant is enter your…
5. Approximately 10% of American high school students drop out of school before graduation. Choose 20 students entering high school at random. Find the probability that a) No more than 10 drop out. b) All stay in school and graduate c) At least 18 graduate. Find the mean and variance of the number of students finished high school and graduated.
5.
Consider rolling a 6 sided die three times. Determine the probability that 4 will turn up (binomial distribution) a. 0 times b. once c. twice
B. What is the probability a sample of 90 test takers will provide a sample mean test score within 10 points of the population mean of 515 on the mathematics part of the test. c. What is the probiotic a sample of 100 test takers will provide a sample mean test score within 10 points of the population mean of 494 on the writing part of the test.
10. What is the probability of observing less than 3 heads in 4 tosses of a fair coin? A. 0.3125 B. 0.9375 C. 0.2500 D. 0.6875
9.) The mean starting salary for teachers is $53,475 nationally. The standard deviation is approximately $5,250. Assume that the starting salary is normally distributed. a.) State the random variable. b.) Find the probability that a starting teacher will make more than $60,000. c.) Find the probability that a starting teacher will make less than $50,000. d.) Find the probability that a starting teacher will make between $52,000 and $59,500. e.) If a teacher made more than $61,000, would you think the teacher was overpaid? Why or why not?
The probability is 0.4 that a traffic fatality involves an intoxicated or alcohol-impaired driver or nonoccupant. In six traffic fatalities, find the probability that the number, Y, which involve an intoxicated or alcohol-impaired driver or nonoccupant is a. exactly three; at least three; at most three. b. between two and four, inclusive. c. Find and interpret the mean of the random variable Y. a. The probability that exactly three traffic fatalities involve an intoxicated or alcohol-impaired driver or nonoccupant is nothing. (Round to four decimal places as needed.) The probability that at least three traffic fatalities involve an intoxicated or alcohol-impaired driver or nonoccupant is nothing. (Round to four decimal places as needed.) The probability that at most three traffic fatalities involve an intoxicated or alcohol-impaired driver or nonoccupant is nothing. (Round to four decimal places as needed.) b. The probability that between two and four…
Suppose that 30 percent of an adult population have an infectious disease and 40 percent have achronic disease. Assume that having an infectious disease is independent from having a chronicdisease. For each of the questions below perform the calculation using appropriate statisticalnotation.a. What is the probability that a person selected at random will have both diseases?b. What is the probability of having the infectious disease for people with the chronic disease?c. What is the probability of having the infectious disease for people without the chronic disease?d. What is the probability of not having the infectious disease for people with the chronicdisease?
Assume that 38.2% of people have sleepwalked. Assume that in a random sample of 1466 adults, 597 have sleepwalked. a. Assuming that the rate of 38.2% is correct, find the probability that 597 or more of the 1466 adults have sleepwalked. b. Is that result of 597 or more significantly high? c. What does the result suggest about the rate of 38.2%? a. Assuming that the rate of 38.2% is correct, the probability that 597 or more of the 1466 adults have sleepwalked is (Round to four decimal places as needed.) v an example Resume Get more help g Σ E Ih 8 Clear all 9 sabaha olan maram 0 amand mms hoclate elemen f D Check answer Ha Ma

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