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A box has 100 pens of which 10 are defec...

A box has 100 pens of which 10 are defective. The probability that out of a sample of 5 pens drawn one by one with replacement and atmost one is defective is

A

`9/10`

B

`1/2(9/10)^4`

C

`(9/10)^5+1/2(9/10)^4`

D

`1/2(9/10)^5`

Text Solution

Verified by Experts

The correct Answer is:
A
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