randomly. Find the probability that you will answer exactly 60% of the items correct to pass the exam if you make random guesses on all the questions.
randomly. Find the probability that you will answer exactly 60% of the items correct to pass the exam if you make random guesses on all the questions.
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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Transcribed Image Text:You are taking an
that contains
20
examination
multiple choice questions with
choices A, B, C, and D. Only one of
the choices is correct to every
multiple choice question. You are
having a hard time finding the
correct answer and thought about
what will be the probability of you
passing the exam if you answered
randomly. Find the probability that
you will answer exactly 60% of the
items correct to pass the exam if you
make random guesses on all the
questions.
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