A test consists of 10 multiple choice questions with four choices for each question. As an experiment, you "guess" on each and every question without even reading the question. What is the probability of getting only 2 or less questions correct on this test? The followin equation will assist you in solving this problem. ()pk (1-p)n-k.

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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12. A test consists of 10 multiple choice questions with four choices for each question. As an
experiment, you "guess" on each and every question without even reading the question.
What is the probability of getting only 2 or less questions correct on this test? The following
equation will assist you in solving this problem. (2)pk (1 − p)n-k.
Transcribed Image Text:12. A test consists of 10 multiple choice questions with four choices for each question. As an experiment, you "guess" on each and every question without even reading the question. What is the probability of getting only 2 or less questions correct on this test? The following equation will assist you in solving this problem. (2)pk (1 − p)n-k.
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