Q18 of 140 Page 276

A sample of 3 bulbs is tested. A bulb is labeled as G if it is good and D if it is defective. Find the number of all possible outcomes.

A bulb can be good or defective ,so there are 2 different possibilities of a bulb.


So number of all possibile outcomes(of all bulbs)=2 × 2 × 2=8


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