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A CD drive produced by a certain company has a 1% chance of encountering disc-read errors. If it is tested for 200 read operations, what is your best estimate about how many times it will fail? A. 0 B.
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A CD drive produced by a certain company has a 1% chance of encountering disc-read errors. If it is tested for 200 read operations, what is your best estimate about how many times it will fail?

A. 0
B. 2
C. 3
D. 5
E. 10

User Justus Metzger
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7.7k points

2 Answers

4 votes

Answer: b is the answer which it is two


Explanation:


User Jackie Yeh
by
6.8k points
2 votes
The number of times that the CD will fail is the product of the numbers it was tested and the percentage that it would fail. This is,
(200 times) x (0.01) = 2
It is estimated that the CD will fail twice. The answer is letter B.
User Jonathan Dewein
by
8.0k points
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