True–false exam: A section of an exam contains four true–false questions. A completed exam paper is selected at random, and the four answers are recorded. Round your answers to four decimal places if necessary. Part 1 of 3 Your Answer is correct Assuming the outcomes to be equally likely, find the probability that all the answers are the same. The probability that all the answers are the same is 0.1250 Assuming the outcomes to be equally likely, find the probability that exactly three of the four answers is "False." The probability that exactly three of the four answers is "False" is 0.2500 . Assuming the outcomes to be equally likely, find the probability that two of the answers are "True" and two of the answers are "False." The probability that two of the answers are "True" and two of the answers are "False"
True–false exam: A section of an exam contains four true–false questions. A completed exam paper is selected at random, and the four answers are recorded. Round your answers to four decimal places if necessary. Part 1 of 3 Your Answer is correct Assuming the outcomes to be equally likely, find the probability that all the answers are the same. The probability that all the answers are the same is 0.1250 Assuming the outcomes to be equally likely, find the probability that exactly three of the four answers is "False." The probability that exactly three of the four answers is "False" is 0.2500 . Assuming the outcomes to be equally likely, find the probability that two of the answers are "True" and two of the answers are "False." The probability that two of the answers are "True" and two of the answers are "False"
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 50E: Flexible Work Hours In a recent survey, people were asked whether they would prefer to work flexible...
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True–false exam: A section of an exam contains four true–false questions. A completed exam paper is selected at random, and the four answers are recorded. Round your answers to four decimal places if necessary.
Part 1 of 3
Your Answer is correct
Assuming the outcomes to be equally likely, find the probability that all the answers are the same.
The probability that all the answers are the same is
Assuming the outcomes to be equally likely, find the probability that exactly three of the four answers is "False."
0.1250
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The probability that exactly three of the four answers is "False" is 0.2500
|
|
Assuming the outcomes to be equally likely, find the probability that two of the answers are "True" and two of the answers are "False."
|
The probability that two of the answers are "True" and two of the answers are "False" is
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