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A large chain retailer purchase certain ...

A large chain retailer purchase certain Kind of electronic device from a manufacture. The manufacture indicates that the defective rate of the device is 3%. The inspector of the retailer picks 20 items from a shipment. The probability that there will be at least one defective item among these 20 is

A

`1+(97/100)^20`

B

`1+3(97/100)^20`

C

`1-(97/100)^20`

D

`1-3(97/100)^20`

Text Solution

Verified by Experts

The correct Answer is:
C
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