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If a biased coin is tossed 5 times and i...

If a biased coin is tossed 5 times and if the probability getting 4 head is equal to the probability of geeting 5 heads , then the probability of getting at most 2 head is

A

`(275)/(6^(5))`

B

`(36)/(5^(4))`

C

`(181)/(5^(5))`

D

`(46)/(6^(4))`

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