D7 Assignments - College Math for X co HW13: Binomial Distribution - EXy.com/assessments/62d75d0228a9090025698ebf11)-chHW13: Binomial Distribution OPENE4.F3Help me with this#JL4(b) Would it be unusual for Southwest to have 12 flights arrive on time?(Enter YES or NO) noAnswers (in progress)$Submit answerFThe rates of on-time flights for commercial jets are continuously tracked by the U.S. Department of Transportation. Recently, SouthwestAir had the best rate with 80 % of its flights arriving on time. A test is conducted by randomly selecting 12 Southwest flights and observingwhether they arrive on time. (a) Find the probability that at least 6 flights arrive on time.DllRF430O Bi965FSTGBA6AnswerNOYHB&N78,J*التال8+MDELLIITEMSKF9(9prt scF10OLINFO)homeP:30;Score-/1-/1endF12{[+=insertB?}]deleteA tobackspace70°F Mostly clear A ADATurned in automatically when duenternumlock< Previous Next >7@ 9CE42:07 AM7/22/2022I+/-8.5C2C

Given: The rate of on-time flights for southwest air is 80% Sample size n=12

Answered: The rates of on-time flights for…

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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Fifty-nine percent of U.S. adults think that civil rights for Black Americans have improved during their lifetime. You randomly select eight U.S. adults. Find the probability that the number who think that civil rights for Black Americans have improved during their lifetime is (a) exactly two and (b) exactly five.
Airlines report that 45% of its flights are on time. In a random sample of 80 flights, what is the probability that exactly 42 will be on time?
In a survey of consumers aged 12 and older, respondents were asked how many cell phones were in use by the household. (No two respondents were from the same household.) Among the respondents, 203 answered "none," 294 said "one," 364 said "two," 143 said "three," and 139 responded with four or more. A survey respondent is selected at random. Find the probability that his/her household has four or more cell phones in use. Is it unlikely for a household to have four or more cell phones in use? Consider an event to be unlikely if its probability is less than or equal to 0.05. P(four or more cell phones) = %3D (Round to three decimal places as needed.) Is it unlikely for a household to have four or more cell phones in use? A. Yes, because the probability of a respondent with four or more cell phones in use is less than or equal to 0.05. B. Yes, because the probability of a respondent with four or more cell phones in use is greater than 0.05. C. No, because the probability of a respondent…
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Of the patients at a cardiac rehabilitation centre, 36% lead a sedentary lifestyle and have had a heart attack. If 78% of the patients lead a sedentary lifestyle, find the probability that a randomly selected patient has had a heart attack, given that he or she leads a sedentary lifestyle. Answer:
The accompanying table shows the numbers of male and female students in a particular country who received bachelor's degrees in business in a recent year. Complete parts (a) and (b) below. EE Click the icon to view the data on business degrees. (a) Find the probability that a randomly selected student is male, given that the student received a business degree. The probability that a randomly selected student is male, given that the student received a business degree, is (Round to three decimal places as needed.) (b) Find the probability that a randomly selected student received a business degree, given that the student is female. The probability that a randomly selected student received a business degree, given that the student is female, is (Round to three decimal places as needed.)
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