B. 76% of people believe in love at first sight. Suppose we take a random sample of 30 people.What is the probability that:1. Exactly 20 of them believe in love at first sight?2. 22 or more of them believe in love at first sight?3. Fewer than 19 of them believe in love at first sight?4. Extra credit: Use your answer from #3 to answer this question: If you did repeated samples of 30individuals from the larger population, how many samples would you expect to have to take tofind a group where fewer than 19 of them believe in love at first sight?

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Answered: B. 76% of people believe in love at…

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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66% of all violent felons in the prison system are repeat offenders. If 34 violent felons are randomly selected, find the probability that a. Exactly 24 of them are repeat offenders. b. At most 22 of them are repeat offenders. c. At least 20 of them are repeat offenders. d. Between 21 and 25 (including 21 and 25) of them are repeat offenders.
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48% of all violent felons in the prison system are repeat offenders. If 38 violent felons are randomly selected, find the probability that a. Exactly 17 of them are repeat offenders. b. At most 17 of them are repeat offenders. c. At least 17 of them are repeat offenders. d. Between 14 and 20 (including 14 and 20) of them are repeat offenders.
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B. 76% of people believe in love at first sight. Suppose we take a random sample of 30 people. What is the probability that: 1. Exactly 20 of them believe in love at first sight? 2. 22 or more of them believe in love at first sight? 3. Fewer than 19 of them believe in love at first sight?