You are totally unprepared for a true-false quiz, so you decide to guess randomly at the answers.

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You are totally unprepared for a true-false quiz, so you decide to guess randomly at the answers. There are four questions. Find the probabilities described in 10a-e.
a. P(none correct)
b. P(exactly one correct)
c. P(exactly two correct)
d. P(exactly three correct)
e. P(all four correct)
f. What should be the sum of the five probabilities in 10a-e?
g. If a passing grade means you get at least three correct answers, what is the probability that you passed the quiz?
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Discovering Advanced Algebra An Investigative Approach

ISBN: 978-1559539845

1st edition

Authors: Jerald Murdock, Ellen Kamischke, Eric Kamischke

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