A study has been done to determine whether or not a certain drug leads to an improvement in symptoms for patients with a particular medical condition. The results are shown in the following table. In this study, does the drugs leads to an improvement in symptoms for patient? * Improvement No Improvement Total Drug No Drug 270 530 800 120 280 400 Total 390 810 1200

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 4ECP: Show that the probability of drawing a club at random from a standard deck of 52 playing cards is...
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A study has been done to determine whether or
not a certain drug leads to an improvement in
symptoms for patients with a particular medical
condition. The results are shown in the following
table. In this study, does the drugs leads to an
improvement in symptoms for patient? *
Improvement
No Improvement
Total
Drug
No Drug
270
530
800
120
280
400
Total
390
810
1200
Yes, because the probability of the patients who
improved and have taken the drugs is 69%.
No, because the probability of the patients who did
not improved and have taken the drugs is 67.5%.
Yes, because the probability of the patients who
improved and have taken the drugs is 33%.
No, because the probability of the patients who did
not improved and have taken the drugs is 44%.
Transcribed Image Text:A study has been done to determine whether or not a certain drug leads to an improvement in symptoms for patients with a particular medical condition. The results are shown in the following table. In this study, does the drugs leads to an improvement in symptoms for patient? * Improvement No Improvement Total Drug No Drug 270 530 800 120 280 400 Total 390 810 1200 Yes, because the probability of the patients who improved and have taken the drugs is 69%. No, because the probability of the patients who did not improved and have taken the drugs is 67.5%. Yes, because the probability of the patients who improved and have taken the drugs is 33%. No, because the probability of the patients who did not improved and have taken the drugs is 44%.
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