he probability of a positive test result is Round to three decimal places as needed.) the probability low enough so that further testing of the individual samples is rarely necessary? OA. The probability is not low, so further testing will not be necessary for any of the mixtures. O B. The probability is low, so further testing will be necessary for all of the combined mixtures. OC. The probability is not low, so further testing of the individual samples will frequently be a necessary event. O D. The probability is low, so further testing of the individual samples will be a rarely necessary event.
he probability of a positive test result is Round to three decimal places as needed.) the probability low enough so that further testing of the individual samples is rarely necessary? OA. The probability is not low, so further testing will not be necessary for any of the mixtures. O B. The probability is low, so further testing will be necessary for all of the combined mixtures. OC. The probability is not low, so further testing of the individual samples will frequently be a necessary event. O D. The probability is low, so further testing of the individual samples will be a rarely necessary event.
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.8: Probabilities Of Disjoint And Overlapping Events
Problem 2C
Related questions
Question
19.
Transcribed Image Text:Testing for a disease can be made more efficient by combining samples. If the samples from three people
are combined and the mixture tests negative, then all three 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 three 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?
A. The probability is not low, so further testing will not be necessary for any of the mixtures.
B. The probability is low, so further testing will be necessary for all of the combined mixtures.
C. The probability is not low, so further testing of the individual samples will frequently be a
necessary event.
O D. The probability is low, so further testing of the individual samples will be a rarely necessary
event.
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