SOLUTION: Solve the problem.
1) If a fair die is rolled repeatedly until a ʺtwoʺ appears, find the probability that the first ʺtwoʺ appears on the 5th roll.
Algebra.Com
Question 956100: Solve the problem.
1) If a fair die is rolled repeatedly until a ʺtwoʺ appears, find the probability that the first ʺtwoʺ appears on the 5th roll.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
I need the probability that I will get:
(1) NOT a 2 on 1st roll
(2) NOT a 2 on 2nd roll
(3) NOT a 2 on 3rd roll
(4) NOT a 2 on 4th roll
(5) A 2 on 5th roll
---------------------
The probability of getting the 1st 2
on the 5th roll is:
8.038 / 100
( slightly less than 1/10 )
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