Acell phone company buys computer chips from a supplier. the supplier sends a shipment containing 3% defective chips. each cell phone uses 3 chips selected independently. what is the probability that all 3 chips will work properly?

The solution for the problem is:

Since the supplier sends a shipment containing 3% defective chips, the probability of selecting a good chip is 97% = .97 

Cancelling for the slight change in percentages when a chip is selected, the chances of selecting 3 good ones in a row is: 
.97 * .97 * .97 = .9127 = 91.27%

the answer is 54 sq. ft. i just did this question, on odyssey ware, and it was right. make brainliest.