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A drug trial is testing the effectiveness of two drugs. If 80 patients are given Drug A, 10 patients are given Drug B, and 20 patients are given a placebo, what is the probability that a patient will NOT be given a placebo?

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absor201

Answer:

The answer is 9/11.

Step-by-step explanation:

To find the answer you'd first add up how many patients you have:

80+10+20 = 110.

Now find out that how many patients are taking a real drug, which is represented by 80+10 = 90.

So, the probability of a patient NOT getting a placebo is 90/110

Simplified would be 9/11

Thus the answer is 9/11....

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