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In a box containing 60 bulbs 6 are ...

In a box containing 60 bulbs 6 are defective . What is the probability that out of a sample of 5 bulbs (i) none is defective (ii) exactly 2 are defective ?

A

`10^-5`

B

`(1/2)^5

C

`(9/10)^5`

D

`9/10)

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