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Social & Preventive Medicine General 23f03d9b

A researcher said he has discovers a new drug which is effective in chronic hypeensives with a p value of < 0.10. Which of the following is true regarding the same?

A
The test is 90% reproducible
B
90% of test results could have occurred by chance
C
Not more than 10% of the people benefitted by the drug could he due to chance
D
90% of patients will be benefitted by giving the drug
High-Yield Explanation
Answer- C. Not more than 10% of the people benefitted by the drug could he due to chanceThe p (probability) value is used when we wish to see how likely is that a hypothesis is true, The hypothesis is usually that there is no difference between two treatments, known as "null hypothesis'.The p value gives the probability of any observed difference having happened by chance.p:0.5 means that the probability of any observed difference having happened by chance is 0.5 in I or 50:50.Similarly, a p valae of <0.10 means that the probubility of it happening by chance is 10%.In the question, the probability that the drug affected the chronic hypeensives by chance is less than 1096. Hence, 90% ofthe subjects were benefitted by the drug.

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