Question

@rational

Answer 1

Sam is testing the effectiveness of a new cough medication. There are 100 people with a cough in the study. Thirty patients received the cough medication, and 70 other patients did not receive treatment. Seventeen of the patients who received the medication reported no cough at the end of the study. Twenty-eight of the patients who did not receive medication reported no cough at the end of the study. What is the probability that a patient chosen at random from this study took the medication, given that they reported no cough?

A.15%
B.33%
C.38%
D.43%

Answer 2

@rational I choose C is that correct?

Answer 3

go through the question and put write down the given info

Answer 4

total 100 patients

30 received medication
70 no medication

Answer 5

maybe it would be easy if we organize the info in a table ?

Answer 6

Yeah that would be better

Answer 7

30 received medication
70 no medication