Samples of emissions from three suppliers are classified for conformance to air-quality specifications. The results from 100 samples are summarized as follows: Conforms Yes No 1 22 8 Supplier 2 25 5 3 30 10 Let A denote the event that a sample is from supplier 1, and let B denote the event that a sample conforms to specifications. (a) Are A and B independent events? Independent Not independent (b) Determine P(B|A). Round your answer to two decimal places (e.g. 98.76). 00

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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Samples of emissions from three suppliers are classified for conformance to air-quality specifications.
The results from 100 samples are summarized as follows:
Conforms
Yes
No
1
22
8
Supplier 2
25 5
3 30 10
Let A denote the event that a sample is from supplier 1, and let B denote the event that a sample conforms to specifications.
(a) Are A and B independent events?
Independent
O Not independent
(b) Determine P(B|A).
Round your answer to two decimal places (e.g. 98.76).
Transcribed Image Text:Samples of emissions from three suppliers are classified for conformance to air-quality specifications. The results from 100 samples are summarized as follows: Conforms Yes No 1 22 8 Supplier 2 25 5 3 30 10 Let A denote the event that a sample is from supplier 1, and let B denote the event that a sample conforms to specifications. (a) Are A and B independent events? Independent O Not independent (b) Determine P(B|A). Round your answer to two decimal places (e.g. 98.76).
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