A drug trial is testing the effectiveness of two drugs. If 40 patients are given Drug A, 80 patients are given Drug B, and 20 patients are given a placebo, what is the probability that a patient will receive drug B?
a. 4/7
b. 6/7
c. 3/10
d. 1/5
2 answers
Add up the total number of patients, put the number of drug B patients over the total number of patients and simplify
so would it be 4/7
2 answers