The theoretical probability of undesirable side effects resulting from taking Grebex is 1 in 10. If 500 people take Grebex to lower their blood pressure, how many will encounter undesirable side effects?

Question

anonymous · Answer

1 in 10 means for every 10 people that take the drug, 1 will get sick. Now, if that's the case, how many "groups" of 10 people can you make out of 500 people? Once you know that, you'll have the answer.

anonymous · Answer

50 groups 10 people a piece

anonymous · Answer

Correct...50 groups...so if each group will have 1 person sick, and there are 50 groups.....