5. Suppose, you are attending an exam where there are 9 multiple choice questions with 3 options in each. A question can have multiple correct answers and in that case, you have to tick all of the correct choices to get the question right. a. What is the probability that you'll get exactly 6 of the questions right? b. What is the probability that you'll get at most 6 of the questions right?

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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5. Suppose, you are attending an exam where there are 9 multiple choice questions with 3
options in each. A question can have multiple correct answers and in that case, you
have to tick all of the correct choices to get the question right.
What is the probability that you'll get exactly 6 of the questions right?
b. What is the probability that you'll get at most 6 of the questions right?
Transcribed Image Text:5. Suppose, you are attending an exam where there are 9 multiple choice questions with 3 options in each. A question can have multiple correct answers and in that case, you have to tick all of the correct choices to get the question right. What is the probability that you'll get exactly 6 of the questions right? b. What is the probability that you'll get at most 6 of the questions right?
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