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A bag contain 2 white balls and 1 red ba...

A bag contain 2 white balls and 1 red balls. The experiment is done 10 times. The probability that a white ball is drawn exactly 5 times is

A

`(10!)/(5!5!) (2/3)^5(1/3)^5`

B

`(10!)/(5!5!) (1/3)^5`

C

`(10!)/(5!)^2 (2/9)^5`

D

`(10!)/(5!) (2/9)^5`

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The correct Answer is:
A
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