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A pharmaceutical company has developed a new drug for treating dengue fever. A sample of 1000 dengue fever patients volunteered in a clinical trial in which 600 were given the drug and others were given placebo. It is found that 450 on the drug showed improvement. It is also found that 100 on placebo do not show any improvement. a) Construct a contingency table based on the above information. kulasi Johor b) Find the probability that a randomly chosen dengue patient in the clinical trial i) Kok does not show any improvement knowing that the drug is given to the patient. ii) is given the drug or showed improvement. Determine whether the events 'given the drug' and 'patient showed improvement' are independent, 7 uan Menjana Jat

A pharmaceutical company has developed a new drug for treating dengue fever. A sample of 1000 dengue fever patients volunteered in a clinical trial in which 600 were given the drug and others were given placebo. It is found that 450 on the drug showed improvement. It is also found that 100 on placebo do not show any improvement. a) Construct a contingency table based on the above information. kulasi Johor b) Find the probability that a randomly chosen dengue patient in the clinical trial i) Kok does not show any improvement knowing that the drug is given to the patient. ii) is given the drug or showed improvement. Determine whether the events 'given the drug' and 'patient showed improvement' are independent, 7 uan Menjana Jat

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
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
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QUESTION 5 A pharmaceutical company has developed a new drug for treating dengue fever. A sample of 1000 dengue fever patients volunteered in a clinical trial in which 600 were given the drug and others were given placebo. It is found that 450 on the drug showed improvement. It is also found that 100 on placebo do not show any improvement. a) Construct a contingency table based on the above information. b) Find the probability that a randomly chosen dengue patient in the clinical trial i) does not show any improvement knowing that the drug is given to the Ko patient. ii) is given the drug or showed improvement. Determine whether the events 'given the drug' and 'patient showed improvement' are independent, 7 uan Menjana Jat
Transcribed Image Text:QUESTION 5 A pharmaceutical company has developed a new drug for treating dengue fever. A sample of 1000 dengue fever patients volunteered in a clinical trial in which 600 were given the drug and others were given placebo. It is found that 450 on the drug showed improvement. It is also found that 100 on placebo do not show any improvement. a) Construct a contingency table based on the above information. b) Find the probability that a randomly chosen dengue patient in the clinical trial i) does not show any improvement knowing that the drug is given to the Ko patient. ii) is given the drug or showed improvement. Determine whether the events 'given the drug' and 'patient showed improvement' are independent, 7 uan Menjana Jat
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