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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13) Approximately 59.4% of adults have added bleach to their laundry. Assume six adults are randomly selected. Find the probability that at most one adult have added bleach to their laundry. Round the answer to four decimals digits.
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.
33% of all college students major in STEM (Science, Technology, Engineering, and Math). If 33 college students are randomly selected, find the probability thata. Exactly 10 of them major in STEM. b. At most 13 of them major in STEM. c. At least 11 of them major in STEM. d. Between 8 and 12 (including 8 and 12) of them major in STEM.
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!
34% of all college students major in STEM (Science, Technology, Engineering, and Math). If 36 college students are randomly selected, find the probability thata. Exactly 13 of them major in STEM. b. At most 13 of them major in STEM. c. At least 10 of them major in STEM. d. Between 12 and 20 (including 12 and 20) of them major in STEM.
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.
1. You want to test to see if the claim is correct. A math teacher claims the probability that a person picked at random in Philadelphia is visiting the city is less than 40%.
7. According to a college survey, 22% of all students work full time. In a survey of 14 students, what is the probability that no more than 2 of them work full time?
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48% of all violent felons in the prison system are repeat offenders. If 44 violent felons are randomly selected, find the probability that a. Exactly 18 of them are repeat offenders. Correct b. At most 20 of them are repeat offenders. c. At least 19 of them are repeat offenders. d. Between 14 and 19 (including 14 and 19) of them are repeat offenders.
55% of all violent felons in the prison system are repeat offenders. If 38 violent felons are randomly selected, find the probability that a. Exactly 22 of them are repeat offenders. b. At most 20 of them are repeat offenders. c. At least 20 of them are repeat offenders. d. Between 18 and 23 (including 18 and 23) 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?