7) A class roll has 30 students listed in alphabetical order. Exactly 5 of those students received A's in the course. What is the probability that at least two people who were adjacent on the alphabetical list both received A's?

A First Course in Probability (10th Edition)
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Chapter1: Combinatorial Analysis
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**Problem 7: Probability in Class Roll**

A class roll has 30 students listed in alphabetical order. Exactly 5 of those students received A's in the course. What is the probability that at least two people who were adjacent on the alphabetical list both received A's?

This problem explores a probability scenario involving a list of students and their grades. The goal is to determine the probability that among five students who received A's, at least two of them are next to each other on the list.
Transcribed Image Text:**Problem 7: Probability in Class Roll** A class roll has 30 students listed in alphabetical order. Exactly 5 of those students received A's in the course. What is the probability that at least two people who were adjacent on the alphabetical list both received A's? This problem explores a probability scenario involving a list of students and their grades. The goal is to determine the probability that among five students who received A's, at least two of them are next to each other on the list.
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