A survey of new Toyota Corolla owners has shown that during the first year of ownership, 15% ofCorollas required repairs once, 8% required repairs twice, and 5% required repairs three or moretimes. Suppose you are interested in purchasing one.a) What is the probability that your new car won't require any repairs during the first year?Answer:b) What is the probability that your new car will need repairs no more than once during the firstyear?Answer:c) What is the probability that at least one repair will be required during the first year?Answer:

Given:Repairs once p(x=1): 15%/100=0.15Repairs twice p(x=2): 8%/100=0.08Repairs 3 or more p(x≥3):…

Answered: A survey of new Toyota Corolla owners…

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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3 An animal shelter has a 61% adoption rate for puppies. Of all puppies in the shelter, 77% live to be 7 years or older. Of the puppies who are adopted, 85% live to be 7 years or older. What is the probability that a randomly selected puppy in the shelter will get adopted and livé 7 or more years?
The industry standards suggest that 10% of new vehicles require warranty service within the first year. Jones Nissan in Sumter, South Carolina, sold 12 Nissans yesterday. What is the probability that none of these vehicles requires warranty service? What is the probability exactly one of these vehicles requires warranty service?
Assume that there is a 4% rate of disk drive failure in a year. a. If all your computer data is stored on a hard disk drive with a copy stored on a second hard disk drive, what is the probability that during a year, you can avoid catastrophe with at least one working drive? b. If copies of all your computer data are stored on three independent hard disk drives, what is the probability that during a year, you can avoid catastrophe with at least one working drive? a. With two hard disk drives, the probability that catastrophe can be avoided is (Round to four decimal places as needed.) b. With three hard disk drives, the probability that catastrophe can be avoided is (Round to six decimal places as needed.)
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An airline company is considering a new policy of booking as many as 354 persons on an airplane that can seat only 330. (Past studies have revealed that only 89% of the booked passengers actually arrive for the flight.) Estimate the probability that if the company books 354 persons. not enough seats will be available.
Inside the wrapper of a certain candy bar, there is a 1 in 10 chance to win a prize. Suppose you buy 19 candy bars. What is the probability that you don't win at all?
3. An airline tracks data on the flight arrivals. Over the past 6 months, 65 flights on one route around early, 130 arrived on time, 15 were late, and 30 were cancelled. A. What is probability the flight is early? On time? Late? Canceled? B. Are thes outcomes exclusive? C. What id the probability that a flight is either early or on time?
A study is conducted to assess the impact of caffeine consumption, smoking, alcohol consumption, and physical activity on cardiovascular disease. Suppose that 40% of participants consume caffeine and smoke. If eight participants are evaluated, what is the probability that: At most, six participants consume caffeine and smoke?
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Assume that there is a 8% rate of disk drive failure in a year. a. If all your computer data is stored on a hard disk drive with a copy stored on a second hard disk drive, what is the probability that during a year, you can avoid catastrophe with at least one working drive? b. If copies of all your computer data are stored on four independent hard disk drives, what is the probability that during a year, you can avoid catastrophe with at least one working drive? a. With two hard disk drives, the probability that catastrophe can be avoided is 0.9936. (Round to four decimal places as needed.) b. With four hard disk drives, the probability that catastrophe can be avoided is ☐ (Round to six decimal places as needed.)
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