Saturday
December 20, 2014

Homework Help: Math

Posted by Angie on Saturday, June 13, 2009 at 5:53pm.

If four coins are flipped at once, what is the probability that exactly 3 tails will come up?
a. 1/16
b. 1/8
c. 1/4
d. 1/2

The answer is c, but what do you do to get that?

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