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College Algebra
College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 50E: Flexible Work Hours In a recent survey, people were asked whether they would prefer to work flexible...
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t Activity ook According to an airline, flights on a certain route are on time 75% of the time. Suppose 20 flights are randomly selected and the number of on time flights is recorded (a) Explain why this is a binomial experiment. (b) Find and interpret the probability that exactly 13 flights are on time. (c) Find and interpret the probability that fewer than 13 flights are on time. (d) Find and interpret the probability that at least 13 flights are on time. (e) Find and interpret the probability that between 11 and 13 flights, inclusive, are on time. y Plan Crunch r Contents (a) Identify the statements that explain why this is a binomial experiment. Select all that apply. D A. There are two mutually exclusive outcomes, success or failure. O B. Each trial depends on the previous trial. O C. There are three mutually exclusive possibly outcomes, arriving on-time, arriving early, and arriving late. O D. The trials are independent. sfor Success media Library O E. The experiment is performed a fixed number of times. OF The experiment is performed until a desired number of successes is reached. chase Options O G. The probability of success is the same for each trial of the experiment. scussions View an example Get more help- Clear all Check anwer Help me solve this Course Tonls hp delete f12 prt sc f1o ト>
Transcribed Image Text:t Activity ook According to an airline, flights on a certain route are on time 75% of the time. Suppose 20 flights are randomly selected and the number of on time flights is recorded (a) Explain why this is a binomial experiment. (b) Find and interpret the probability that exactly 13 flights are on time. (c) Find and interpret the probability that fewer than 13 flights are on time. (d) Find and interpret the probability that at least 13 flights are on time. (e) Find and interpret the probability that between 11 and 13 flights, inclusive, are on time. y Plan Crunch r Contents (a) Identify the statements that explain why this is a binomial experiment. Select all that apply. D A. There are two mutually exclusive outcomes, success or failure. O B. Each trial depends on the previous trial. O C. There are three mutually exclusive possibly outcomes, arriving on-time, arriving early, and arriving late. O D. The trials are independent. sfor Success media Library O E. The experiment is performed a fixed number of times. OF The experiment is performed until a desired number of successes is reached. chase Options O G. The probability of success is the same for each trial of the experiment. scussions View an example Get more help- Clear all Check anwer Help me solve this Course Tonls hp delete f12 prt sc f1o ト>
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