Multiple-choice questions each have four possible answers (a, b, c, d), one of which is correct. Assume that you guess the answers to three such questions. Question content area bottom Part 1 a. Use the multiplication rule to find P(WCW), where C denotes a correct answer and W denotes a wrong answer. P(WCW)=? (Type an exact answer.) Part 2 b. Beginning with WCW, make a complete list of the different possible arrangements of one correct answer and two wrong answers, then find the probability for each entry in the list. P(CWW)=? P(WWC)=? (Type exact answers.) Part 3 c. Based on the preceding results, what is the probability of getting exactly one correct answer when three guesses are made? ?
Multiple-choice questions each have four possible answers (a, b, c, d), one of which is correct. Assume that you guess the answers to three such questions. Question content area bottom Part 1 a. Use the multiplication rule to find P(WCW), where C denotes a correct answer and W denotes a wrong answer. P(WCW)=? (Type an exact answer.) Part 2 b. Beginning with WCW, make a complete list of the different possible arrangements of one correct answer and two wrong answers, then find the probability for each entry in the list. P(CWW)=? P(WWC)=? (Type exact answers.) Part 3 c. Based on the preceding results, what is the probability of getting exactly one correct answer when three guesses are made? ?
Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
6th Edition
ISBN:9781337111348
Author:Bruce Crauder, Benny Evans, Alan Noell
Publisher:Bruce Crauder, Benny Evans, Alan Noell
ChapterP: Prologue: Calculator Arithmetic
Section: Chapter Questions
Problem 2E: Pet Owners According to the Humane Society, in 2015, 65% of U.S. households owned at least one pet,...
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Question
Multiple-choice questions each have
four
possible answers
(a, b, c, d),
one of which is correct. Assume that you guess the answers to three such questions.Question content area bottom
Part 1
a. Use the multiplication rule to find
P(WCW),
where C denotes a correct answer and W denotes a wrong answer.P(WCW)=?
(Type an exact answer.)Part 2
b. Beginning with
WCW, make a complete list of the different possible arrangements of one correct answer and two wrong answers, then find the probability for each entry in the list.
P(CWW)=?
P(WWC)=?
(Type exact answers.)
Part 3
c. Based on the preceding results, what is the probability of getting exactly one correct answer when three guesses are made?
?
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