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solQ3a - Solutions to Quiz 3 A www.math.u.edu/harringt 1(1...

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Solutions to Quiz 3 A www.math.ufl.edu/˜harringt February 27, 2007 1. (1 pt) What is the probability of not rolling a 4 with a fair die? Solution: p ( not rolling a 4) = 1 - p ( rolling a 4 ) = 1 - 1 6 = 5 6 2. (2 pt) What is the probability of getting at least one 4 in five rolls of a single die? Solution: p ( not rolling a 4 in five rolls ) = 1 - [ p ( not rolling a 4 in one roll )] 5 = 1 - [ 5 6 ] 5 . 598 3. (1 pt)
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