A fair coin is tossed 9 times . Find th...

A fair coin is tossed 9 times . Find the probability that it shows heads exactly 5 times .

Answer

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Knowledge Check

Five fair coins are tossed 8 times, then the probability that it shows heads exactly 5 times is

A

`7/16`

B

`5/16`

C

`7/32`

D

`5/32`

If a fair coin is tossed 8 times , then the probability that it shows heads at least once is

A

`255/256`

B

`1/256`

C

`85/256`

D

`3/256`

A fair coin is tossed 9 times. The probability that it shows heads in the first four tosses and tails in the last five tosses is

A

`21/256`

B

`63/256`

C

`1/512`

D

`1/256`

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A fiar coin is tossed 18 times. Find the probability that it shows least once.

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A fair coin is tossed 8 times. Find the probability that : (1) it shows no head (2) it shows head at least once.

A coin is tossed 6 times . Find the probability of getting at least 3 heads .

If a fair coin is tossed 8 times , then the probability that it shows heads larger number of times than tails is

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