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? ?

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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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?
 
?
​(Type an exact​ answer.)
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