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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a.) The probability that the sample mean weight of this sample of 20 is greater than 9.75 is _____? b.) The probability that the sample mean weight of this sample of 20 is between 9.75 and 9.89 is ____? c.) There is only a 5% chance that the average weight of a sample of these 20 cheese wedges will be below _____ (answer the blanks)
5.
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?
Construct all random samples consisting two observations from the given data. You are asked to guess the average weight of the six watermelons by taking a random sample without replacement from the population. Watermelon A, B, C, D, E, and F has a weight (in pounds) 19,14,15,9,10 and 17 respectively.a. What is the probability of getting 10.00 as a mean?b. How many possible outcomes?c. What is the probability of getting 11.50 as a mean?d. What is the mean of the sampling distribution of the sample means?e. What is the population mean?
a. Assuming that the rate of 23.9% is correct, find the probability that 398 or more of the 1482 adults have sleepwalked. b. Is that result of 398 or more significantly high? c. What does the result suggest about the rate of 23.9%?
When studying radioactive material, a nuclear engineer found that over 365 days, 1,000,000 radioactive atoms decayed to 979,748 radioactive atoms, so 20,252 atoms decayed during 365 days. a. Find the mean number of radioactive atoms that decayed in a day. b. Find the probability that on a given day, 52 radioactive atoms decayed.
The election returns showed that Letty Doblado received 65% of the votes. What is the probability that two random samples, each consisting of 200 voters, indicated a greater than 10% difference in proportion that voted for her? A) .0410 B) .09590 C) .0459 D) .0541
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…
Assume that 26.6% of people have sleepwalked. Assume that in a random sample of 1517 adults, 418 have sleepwalked. a. Assuming that the rate of 26.6% is correct, find the probability that 418 or more of the 1517 adults have sleepwalked. b. Is that result of 418 or more significantly high? c. What does the result suggest about the rate of 26.6%?
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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