JEE Mains · Maths · STD 12 - 13. probability
In a random experiment, a fair die is rolled until two fours are obtained in succession. The probability that the experiment will end in the fifth throw of the die is equal to
- A \(\frac{{200}}{{{6^5}}}\)
- B \(\frac{{150}}{{{6^5}}}\)
- C \(\frac{{225}}{{{6^5}}}\)
- D \(\frac{{175}}{{{6^5}}}\)
Answer & Solution
Correct Answer
(D) \(\frac{{175}}{{{6^5}}}\)
Step-by-step Solution
Detailed explanation
\(P(---44)\) \( = P\left( {4\_\,\_44} \right) + P\left( {not4\_\,\_44} \right)\)…
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