positive, no matter how many negative samples it is mixed with. Assuming the probability of a single sample testing positive is 0.2, find the probability of a positive result for five samples co ity low enough so that further testing of the individual samples is rarely necessary? ility of a positive test result is ree decimal places as needed.) bility low enough so that further testing of the individual samples is rarely necessary? probability is low, so further testing will be necessary for all of the combined mixtures. probability is not low, so further testing of the individual samples will frequently be a necessary event. probability is low, so further testing of the individual samples will be a rarely necessary event. probability is not low, so further testing will not be necessary for any of the mixtures.
positive, no matter how many negative samples it is mixed with. Assuming the probability of a single sample testing positive is 0.2, find the probability of a positive result for five samples co ity low enough so that further testing of the individual samples is rarely necessary? ility of a positive test result is ree decimal places as needed.) bility low enough so that further testing of the individual samples is rarely necessary? probability is low, so further testing will be necessary for all of the combined mixtures. probability is not low, so further testing of the individual samples will frequently be a necessary event. probability is low, so further testing of the individual samples will be a rarely necessary event. probability is not low, so further testing will not be necessary for any of the mixtures.
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Transcribed Image Text:Testing for a disease can be made more efficient by combining samples. If the samples from five people are combined and the mixture tests negative, then all five samples are negative. On the other hand, one positive sample will
always test positive, no matter how many negative samples it is mixed with. Assuming the probability of a single sample testing positive is 0.2, find the probability of a positive result for five samples combined into one mixture. Is
the probability low enough so that further testing of the individual samples is rarely necessary?
The probability of a positive test result is.
(Round to three decimal places as needed.)
Is the probability low enough so that further testing of the individual samples is rarely necessary?
O A. The probability is low, so further testing will be necessary for all of the combined mixtures.
O B. The probability is not low, so further testing of the individual samples will frequently be a necessary event.
OC. The probability is low, so further testing of the individual samples will be a rarely necessary event.
O D. The probability is not low, so further testing will not be necessary for any of the mixtures.
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