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posted by Lisa Tuesday, April 24, 2012 at 2:02am.
A number cube is rolled 420 times and the result recorded as follows: there were 70 ones, 75 twos, 64 threes, 73 fours, 72 fives, and 66 sixes. What is the experimental probability of not rolling a five?
1 - 72/420 = ?
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