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A fair die is rolled five times and the number of sixes that occur in the five rolls is...

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samantha96 | Student, Grade 11 | (Level 1) Honors

Posted August 7, 2012 at 6:39 AM via web

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A fair die is rolled five times and the number of sixes that occur in the five rolls is noted. Find the probability of the first roll being at six and the rest not.

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baxthum8 | High School Teacher | (Level 3) Associate Educator

Posted January 9, 2014 at 7:34 PM (Answer #2)

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Probability of rolling a 6 is `1/6 `

The probability of not rolling a 6 is `5/6 `

` (1/6)(5/6)^5 `

This is approximately 0.067

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