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Mathematics 14 Online
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

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

OpenStudy (anonymous):

ANSWER IS b

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