A class in advanced physics is comprised of 20 juniors, 30seniors and 10 graduate students. The final gradesshowed that 5 of the juniors, 12 of the seniors, and 6 ofthe graduate students received an A for the course. If astudent from this class is selected and is found to haveearned an A, what is the probability that he or she is ajunior?Ans is Blank 1(round off your final answer into four decimal places.#.####)

A class in advanced physics is comprised hasNo.of juniors=20No.of seniors=30No.of graduate…

Answered: A class in advanced physics is…

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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The probability that a certain kind of component will survive a shock test is 3/4. Find the probability that exactly 2 of the next 4 components tested survive. Assume the test are independent. a.27/128 b.1/8 c.13/15 d.3/5
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A. A recent study found that 2% of Americans admitted they had driven while intoxicated in the prior month. If a problem asks you to find the probability that 200 or fewer people in a population of 10,000 drive under the influence of alcohol, how do you solve the problem after finding the probability in the z-table? A. Subtract one from the probability you find in the z-score tables B. The probability that equates to the z-score is the answer C. Tis problem cannot be answered with the z-tables D. Take the probability you find in the z-score tables and subtract from one
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A physics class has 50 students. Of these, 11 students are physics majors and 16 students are female. Of the physics majors, three are female. Find the probability that a randomly selected student is female or a physics major. The probability that a randomly selected student is female or a physics major is (Round to three decimal places as needed.) ******************
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72% of all Americans are home owners. If 49 Americans are randomly selected, find the probability that Exactly 34 of them are home owners. ___________
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Q10. Given that the switchboard of a consultant's office receives on average 0.8 calls per minute, find the probability that in a 5-minute interval there will be exactly 4 calls, and in the following 4- minute interval, there will be exactly 1 call. (Consider the entire 9 minute interval to calculate your answer.)
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