A fair coin is tossed 10 times. The prob...

A fair coin is tossed 10 times. The probability of getting exactly 6 heads is -

A

`(15)/(64)`

B

`(105)/(512)`

C

`(105)/(1024)`

D

`(21)/(256)`

Text Solution

Verified by Experts

The correct Answer is:

B

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Knowledge Check

A fair coin is tossed n times. The probability of getting head at least once is greater than 0.8. Then the least value of n is -

A

5

B

4

C

3

D

6

An unbiased coin is tossed 3 times in succession, the probability of getting exactly one head is -

A

`(1)/(2)`

B

`(5)/(8)`

C

`(3)/(4)`

D

`(3)/(8)`

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