Suppose a computer chip manufacturer rejects 3% of the chips produced because they fail presale testing.If you test 3 chips,what is the probability that none of the chips fail?
A)0.97
B)0.03
C)2.7 ×
D)0.09
E)0.9127

Question

Suppose a computer chip manufacturer rejects 3% of the chips produced because they fail presale testing.If you test 3 chips,what is the probability that none of the chips fail?
A)0.97 
B)0.03 
C)2.7 × 
D)0.09 
E)0.9127

Quizplus · Accepted Answer

The probability that one chip passes the test is 0.97 (since 3% of chips fail, so 97% of chips pass). 
Since we are testing three chips, the probability that all three chips pass is:
0.97 x 0.97 x 0.97 = 0.9127
Therefore, the probability that none of the chips fail is 0.9127.

Suppose a Computer Chip Manufacturer Rejects 3% of the Chips