3.3k views
1 vote
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

2 Answers

4 votes

Answer: b is the answer which it is two


Explanation:


User Jackie Yeh
by
7.7k 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
8.9k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories