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OpenStudy (anonymous):
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
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OpenStudy (anonymous):
@magbak
OpenStudy (magbak):
B
OpenStudy (anonymous):
The drive fails about 1 in every 100 times. So, if you run 200 trials, I would expect about 2 errors, which is 1% of 200.
OpenStudy (magbak):
This one is 200 time .01
OpenStudy (anonymous):
ANSWER IS b
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OpenStudy (anonymous):
ANSWER IS b
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