A fair die is tossed eight times. Probability that on the eighth throw a third six is…
Mathematics · JEE Advanced · NTA Exams — Statistics and Probability
A fair die is tossed eight times. Probability that on the eighth throw a third six is observed is,
- \({ }^{8} \mathrm{C}_{3} \frac{5^{5}}{6^{8}}\)
- \(\frac{{ }^{7} \mathrm{C}_{2} .5^{5}}{6^{8}}\)
- \(\frac{{ }^{7} \mathrm{C}_{2} .5^{5}}{6^{7}}\)
- none of these
Answer
(B) ^ 7 C _ 2 .5^ 5 6^ 8
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