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A lie detector will show a positive reading (indicate a lie) 5% of the time when the person is telling the truth and 98% of the time when the person is lying. Suppose two people are suspects in a one-person crime and (for certain) one is guilty and will lie. Assume further that the lie detector operates independently for the truthful person and the liar. What is the probability that the detector shows a positive reading for both suspects (rounded off to three decimals)? A. 0.049 B. 0.98 C. 0.02 D. 0.05

A lie detector will show a positive reading (indicate a lie) 5% of the time when the person is telling the truth and 98% of the time when the person is lying. Suppose two people are suspects in a one-person crime and (for certain) one is guilty and will lie. Assume further that the lie detector operates independently for the truthful person and the liar. What is the probability that the detector shows a positive reading for both suspects (rounded off to three decimals)? A. 0.049 B. 0.98 C. 0.02 D. 0.05

MATLAB: An Introduction with Applications
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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A lie detector will show a positive reading (indicate a lie) 5% of the time when the person is telling the truth and 98% of the time when the person is lying. Suppose two people are suspects in a one-person crime and (for certain) one is guilty and will lie. Assume further that the lie detector operates independently for the truthful person and the liar. What is the probability that the detector shows a positive reading for both suspects (rounded off to three decimals)? A. 0.049 B. 0.98 C. 0.02 D. 0.05
Transcribed Image Text:A lie detector will show a positive reading (indicate a lie) 5% of the time when the person is telling the truth and 98% of the time when the person is lying. Suppose two people are suspects in a one-person crime and (for certain) one is guilty and will lie. Assume further that the lie detector operates independently for the truthful person and the liar. What is the probability that the detector shows a positive reading for both suspects (rounded off to three decimals)? A. 0.049 B. 0.98 C. 0.02 D. 0.05
A planning committee for a major development project must consist of five architects, four engineers and two environmental lawyer. There are seven architects, six engineers and four environmental lawyers available to choose from. In how many ways can the four engineers be chosen (rounded off to zero decimals)? A. 6 B. 15 C. 4 D. 360
Transcribed Image Text:A planning committee for a major development project must consist of five architects, four engineers and two environmental lawyer. There are seven architects, six engineers and four environmental lawyers available to choose from. In how many ways can the four engineers be chosen (rounded off to zero decimals)? A. 6 B. 15 C. 4 D. 360
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