A professor has learned that two students in her class of 15 will cheat on the exam. She decides to focus her attention on five randomly chosen students during the exam. a. What is the probability that she finds at least one of the students cheating? (Round your final answers to 4 decimal places.) Probabity b. What is the probability that she finds at least one of the students cheating if she focuses on seven randomly chosen students? (Round your final answers to 4 decimal places.) Piobutity

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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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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Plzz explain both question
A professor has learned that two students in her class of 15 will cheat on the exam. She decides to focus her attention on five
randomly chosen students during the exam
a. What is the probability that she finds at least one of the students cheating? (Round your final answers to 4 decimal places.)
Probablity
b. What is the probability that she finds at least ane of the students cheating if she focuses on seven randomly chosen students?
(Round your final answers to 4 decimal places.)
Probublity
Transcribed Image Text:A professor has learned that two students in her class of 15 will cheat on the exam. She decides to focus her attention on five randomly chosen students during the exam a. What is the probability that she finds at least one of the students cheating? (Round your final answers to 4 decimal places.) Probablity b. What is the probability that she finds at least ane of the students cheating if she focuses on seven randomly chosen students? (Round your final answers to 4 decimal places.) Probublity
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