Homework Help: Math

Posted by cory on Wednesday, February 13, 2013 at 11:55am.

A quarter is flipped and the outcome is noted. If a head results, then a die is rolled. If a tail results, then the quarter is flipped a second time.

1.What is the probability of obtaining no heads?

Math - Steve, Wednesday, February 13, 2013 at 12:36pm
P(no heads) = P(tail,tail) = 1/2 * 1/2 = 1/4

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