Carly C.

asked • 04/23/21

In a drug study of a group of 500 patients, 150 patients responded positively to drug #1, 200 patients responded positively to drug #2 and 90 patients responded positively to both drug #1 and drug #2.

8. In a drug study of a group of 500 patients, 150 patients responded positively to drug #1, 200 patients responded positively to drug #2 and 90 patients responded positively to both drug #1 and drug #2.


(a) What is the probability that a patient responds positively to either drug #1 or drug #2?


(b) What is the probability that a patient responds positively to drug #1 given that this patient responded positively to drug #2

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