Posted by Jen on Tuesday, July 19, 2011 at 1:53pm.
The theoretical probability of undesirable side effects resulting from taking Grebex is 2 in 19. If 380 people take Grebex to lower their blood pressure, how many will encounter undesirable side effects?

Mathprobability  Henry, Tuesday, July 19, 2011 at 5:25pm
P = (2/19) * 380 = 40.
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