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The rule of an "obstacle course" specif...

The rule of an "obstacle course" specifies that at the `n^(th)` obstacle a person has to tos a fair 6 sided die n times. If the sum of points in these n tosses is bigger than `2^(n)`, the person is said to have crossed the obstacle.
Q. The probability that a person crosses the first three obstacles :

A

`(143)/(216)`

B

`(100)/(243)`

C

`(216)/(243)`

D

`(100)/(216)`

Text Solution

Verified by Experts

The correct Answer is:
B
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