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A number cube with six sides numbered 1 through 6 is rolled. The probability of rolling a 5 is 1/6.

What is the probability of not rolling a 5?

Please enter your as a fraction, in its simplest form.

User Ortsigat
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1 Answer

4 votes
The probability of all events occurring is 1

(1/6)+p=1

p=1-1/6

p=5/6

The probability of not rolling 5 is 5/6

Or you could have just said there are five numbers other than 5 out of the six so:

5/6


User WillHaslett
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