A multiple-choice test contains 25 questions, each with four choices. Assume a student just guesses on each question. Determine the probability: a. that the student answers more than 20 questions correctly? b. that the student answers less than five questions correctly?

A multiple-choice test contains 25 questions, each with four choices. Assume a student just guesses on each question. Determine the probability: a. that the student answers more than 20 questions correctly? b. that the student answers less than five questions correctly?

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

A multiple-choice test contains 25 questions, each with four choices. Assume a student just guesses on each question. Determine the probability:

a. that the student answers more than 20 questions correctly?

b. that the student answers less than five questions correctly?

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