(a)[1]
Find the probability that a $6$ is obtained for the first time on the 8th throw.
(b)[3]
Find the probability that a $6$ is obtained for the third time on the 7th throw.
Mathematics 9709 · AS & A Level · Probability
Probability — practice question
A fair six-sided dice with faces numbered $1$, $2$, $3$, $4$, $5$, $6$ is rolled again and again until a $6$ turns up.