Posted by **Jennifer** on Tuesday, October 25, 2011 at 5:10pm.

In testing a new drug, researchers found that 10% of all patients using it will have a mild side effect. A random sample of 14 patients using the drug is selected. Find the probability that:

(A) exactly two will have this mild side effect

(B) at least three will have this mild side effect.

Hmmmmmm.....not sure.....

- Can u help me Ms. Sue...Stats -
**Ms. Sue**, Tuesday, October 25, 2011 at 5:18pm
I'm sorry, Jennifer -- but I've forgotten everything I learned in the statistics class that I had 40 years ago.

- Can u help me Ms. Sue...Stats -
**Jennifer**, Tuesday, October 25, 2011 at 5:31pm
oh...its okay...do u know who can help me? no one seems to be helping me :(

- Can u help me Ms. Sue...Stats -
**Ms. Sue**, Tuesday, October 25, 2011 at 5:34pm
PsyDag gets a lot of statistics questions, but he usually answers questions a couple of hour a day. The same is true of some of our other math tutors.

- Can u help me Ms. Sue...Stats -
**Jennifer**, Tuesday, October 25, 2011 at 5:44pm
okay thank u

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