. A nationwide survey of college seniors by the University of Michigan revealed that almost 70% disapprove of daily pot smoking, according to a report in Parade. If 12 seniors are selected at random and asked their opinion a. find the probability that the number who disapprove of smoking pot is daily anywhere 7 to 9 b. find the probability that the number who disapprove of smoking pot daily is at most 5 c. find the probability that the number who disapprove of smoking pot daily is not less than 8

. A nationwide survey of college seniors by the University of Michigan revealed that almost 70% disapprove of daily pot smoking, according to a report in Parade. If 12 seniors are selected at random and asked their opinion a. find the probability that the number who disapprove of smoking pot is daily anywhere 7 to 9 b. find the probability that the number who disapprove of smoking pot daily is at most 5 c. find the probability that the number who disapprove of smoking pot daily is not less than 8

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...

See similar textbooks

Similar questions

Based on a poll , among adults who regret getting tattoos, 70% say that they were too young when they got their tattoos . Assume that four adults who regret getting tattoos are randomly selected , and find the indicated probability. Find the probability that all of the selected adults say that they were too young to get tattoos Type your answer here:
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.
In a recent poll of female college students, 70% stated that they plan to graduate with a STEM degree. A math teacher decides to randomly sample 15 female college students. A. Find the probability that exactly 6 out of the 15 plan to graduate with a STEM degree. B. Find the probability that between 5 and 9 (inclusive) out of the 15 plan to graduate with a STEM degree. C. Find the probability that at least 7 out of the 15 plan to graduate with a STEM degree. D. Find the expected number of female college students out of the 15 that plan to graduate with a STEM degree.
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%?
Suppose that in basketball you are successful on 71% of your free throw attempts. You take 16 free throws. Round your answers to three decimals if needed. a. How many of the attempts do you expect will be successful? b. What is the probability that you will make between (inclusive) 9 and 11 free throws? c. What is the probability that you make all your attempts? Submit Question or
Suppose the probability that a randomly selected PGA Tour player uses a Titleist brand golf ball is 0.6. For a sample of 10 PGA Tour players: a. find the probability that more than 7 use a Titleist brand golf ball. b. find the probability that at most 5 is using a Titleist brand golf ball Show your works and use the table.
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.
Researchers asked 600 people if they thought that there was too much violence on TV and recorded their answer of: Yes, No, and Don’t know. Use the table below to answer the questions 1. If a participant is chosen at random, what is the probability that they are a man or answered Yes? Leave your answer as a fraction. 2. If a participant is chosen at random, what is the probability that they answered Dont Know given that they are a woman? Leave your answer as a fraction
61% of all violent felons in the prison system are repeat offenders. If 41 violent felons are randomly selected, find the probability that a. Exactly 24 of them are repeat offenders. b. At most 26 of them are repeat offenders. c. At least 22 of them are repeat offenders. d. Between 22 and 27 (including 22 and 27) of them are repeat offenders.
29% of all college students major in STEM (Science, Technology, Engineering, and Math). If 44 college students are randomly selected, find the probability that a. Exactly 10 of them major in STEM. b. At most 14 of them major in STEM. c. At least 12 of them major in STEM. d. Between 7 and 15 (including 7 and 15) of them major in STEM.
Assume that when adults with smartphones are randomly selected, 56% use them in meetings or classes. If 77 adult smartphone users are randomly selected, find the probability that exactly 33 of them use their smartphones in meetings or classes. The probability is?