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JEE Advance 2009
Paper-1
Question
A fair die is tossed repeatedly until a six is obtained. Let X denote the number of tosses required. The conditional probability that $\mathrm{X} \geq 6$ given $\mathrm{X}>3$ equals
Select the correct option:
A
$\frac{125}{216}$
B
$\frac{25}{216}$
C
$\frac{5}{36}$
D
$\frac{25}{36}$
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
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Showing 18 questions
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