Marcos took the EnggMath3 exam decided to guess on a 10-item multiple choice. Each problem has 5 choices. a. What is the probability that Marcos will get 7 of the questions correctly? b. What is the probability that Marcos will get at least 3 of the questions correctly?

Marcos took the EnggMath3 exam decided to guess on a 10-item multiple choice. Each problem has 5 choices. a. What is the probability that Marcos will get 7 of the questions correctly? b. What is the probability that Marcos will get at least 3 of the questions correctly?

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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Marcos took the EnggMath3 exam decided to guess on a 10-item multiple choice. Each problem has 5 choices.

a. What is the probability that Marcos will get 7 of the questions correctly?

b. What is the probability that Marcos will get at least 3 of the questions correctly?

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