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TABLE 5-5 Time Within Which Oil Was Washed Off Reaction Row Total Within 5 Minutes After 5 Minutes None 470 420 50 Mild 390 60 330 140 Strong 120 20 Column Total 1000 500 500 Let's use the following notation for the various events: W = washing oil off within 5 minute, A %3D mild reaction, S = strong reaction. Find the following probabilities for a person selected at random from this sample of 1000 subjects. (a) P(N), P(M), P(S) (b) P(N| W), P(SI W) washing oil off after 5 minutes, N = no reaction, %3D M %3D (c) P(NIA), P(S\A) (d) P(N and W), P(M and W) (e) P(N or M). Are the events N exclusive? Explain. %3D = no reaction and M = mild reaction mutually (f) Are the events N = no reaction and W = washing oil off within 5 minutes independent? Exnlain %3D

TABLE 5-5 Time Within Which Oil Was Washed Off Reaction Row Total Within 5 Minutes After 5 Minutes None 470 420 50 Mild 390 60 330 140 Strong 120 20 Column Total 1000 500 500 Let's use the following notation for the various events: W = washing oil off within 5 minute, A %3D mild reaction, S = strong reaction. Find the following probabilities for a person selected at random from this sample of 1000 subjects. (a) P(N), P(M), P(S) (b) P(N| W), P(SI W) washing oil off after 5 minutes, N = no reaction, %3D M %3D (c) P(NIA), P(S\A) (d) P(N and W), P(M and W) (e) P(N or M). Are the events N exclusive? Explain. %3D = no reaction and M = mild reaction mutually (f) Are the events N = no reaction and W = washing oil off within 5 minutes independent? Exnlain %3D

College Algebra (MindTap Course List)
College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.7: Probability
Problem 39E: Assume that the probability that an airplane engine will fail during a torture test is 12and that...
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(f) Are the events N = no reaction and W = washing oil off within 5 minutes TABLE 5-5 Time Within Which Oil Was Washed Off Let's use the following notation for the various events: W = washing oil person selected at random from this sample of 1000 subjects. ndow Help * E ? 67% O 3 204854 X Bb Review Test SubmissX B6 Review Test Submiss x ES Homework Assignme X 38%20(1).pdf 239 Chapter Review Reaction Row Total Within 5 Minutes After 5 Minutes 470 None 50 420 390 Mild 330 60 140 Strong 20 120 1000 Column Total 500 500 off within 5 minute, A = M = mild reaction, S = washing oil off after 5 minutes, N = no reaction, strong reaction. Find the following probabilities for a (a) P(N), P(M), P(S) (b) P(NI W), P(S W) (c) P(N|A), P(S \A) (d) P(N and W), P(M and W) N or M). Are the events N = no reacton and M = mild reaction mutually exclusive? Explain. independent? Explain.
Transcribed Image Text:(f) Are the events N = no reaction and W = washing oil off within 5 minutes TABLE 5-5 Time Within Which Oil Was Washed Off Let's use the following notation for the various events: W = washing oil person selected at random from this sample of 1000 subjects. ndow Help * E ? 67% O 3 204854 X Bb Review Test SubmissX B6 Review Test Submiss x ES Homework Assignme X 38%20(1).pdf 239 Chapter Review Reaction Row Total Within 5 Minutes After 5 Minutes 470 None 50 420 390 Mild 330 60 140 Strong 20 120 1000 Column Total 500 500 off within 5 minute, A = M = mild reaction, S = washing oil off after 5 minutes, N = no reaction, strong reaction. Find the following probabilities for a (a) P(N), P(M), P(S) (b) P(NI W), P(S W) (c) P(N|A), P(S \A) (d) P(N and W), P(M and W) N or M). Are the events N = no reacton and M = mild reaction mutually exclusive? Explain. independent? Explain.
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