32. A field trip in Bukidnon was organized by an institution as part of their goalsto extend community engagement to their pupils. However, a tragic accidenthappened on their way to their destination. After the rescue operation, the teamtallied the number of survivors and missing persons. (a) If we randomly selectsomeone who was a part of the field trip, what is the probability of getting awoman, given that the selected person was rescued? (b) What is the probabilityof getting a boy or girl, given that the randomly selected person is missing?BoysGirlsWomen10MenRescued207.16Missing151310Your answerA 29°CW0耳@hp

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Answered: 32. A field trip in Bukidnon was…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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A group of students and faculty of UO are polled about whether or not UO should switch to a 4 day work week. (The results are attached in the screenhot). 1. What is the probability of a student voting "in favour"? 2. What is the probability of someone being a student and voting "in favour"? 3. What is the probability of faculty voting "not in favour"?
Given the number of trials and the probability of success, determine the probability indicated: 1)? = 12, ? = 0.2, find ?(2 successes) 2) ? = 10, ? = 0.4, find ?(1 successes) 3) ? = 20, ? = 0.5, find ?(10 successes)
5. A bag contains 20 purple marbles, 15 red marbles, and 5 blue marbles. What is the probability of randomly selecting a purple marble, not putting it back, and then randomly selecting a blue marble? (Express your answer as a decimal rounded to two places.)
The class I'm taking is statistics! I am completely stuck. Need help. I have attached the problem. Please view attachment before answering. Thank you!
6. A survey by Altgeld Travel Magazine found that 85% of airline passengers prefer to sleep during their flights. Ifwe randomly select 9 passengers, what is the probability that…. (a) Exactly 8 passengers prefer to sleep during their flights? (b) 8 or more passengers prefer to sleep during their flights?
3
7. Four girls and four boys sat randomly at the round table. What is the probability that the girls sit together?
3. A survey of consumers in Mudville showed 10% were dissatisfied with their plumbing jobs. Half of these complaints dealt with Mr. Badwrench, who does 40% of the plumbing jobs in Mudville. What is the probability that a randomly selected consumer has an unsatisfactory plumbing job, given that the plumber was Mr. Badwrench. Are bad plumbing jobs and Mr. Badwrench independent?
2. A political scientist developed a test designed to measure the degree of awareness of current events. She wants to estimate the average score that would be achieved on this test by all students in a certain high school. The administration at the school will not allow the experimenter to randomly select students out of classes in session, but it will allow her to interrupt a small number of classes for the purpose of giving the test to every member of the class. Thus, the experimenter selects 25 classes at random from the 108 classes in session at a particular hour. The test is given to each member of the sampled classes, with results as shown in the accompanying table. Number of students, mi Total score, yi Class 1 31 1590 2 29 1510 3 25 1490 4 35 1610 5 15 800 6 31 1720
2. A fair coin is tossed seven times. Find the probability of obtaining (a) seven heads; (b) at most five heads; (c) an odd number of heads.
Indicate whether 25 is sufficient or whether a sample of 50 would be necessary. You will want to calculate the probability of the sample mean being between $11,000 and $13,000 for both a sample size of 25 and 50. (Thank You!)
Suppose the probability of an IRS audit is 1.5 percent for U.S. taxpayers who file 1040 and who earned $100,000 or more. A) What are the odds that such a taxpayer will be audited? (Round your answers to the nearest whole number.) B) What are the odds against such a taxpayer being audited? (Round tiur answers to the nearest whole number.)

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