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March 28, 2015

Homework Help: Probability and statistics

Posted by Arun on Friday, March 2, 2012 at 3:22am.

3. To test a lot of its production units, the quality control department of the production company randomly tests 5 different units of the lot and passes the lot if at most 1 of the units are faulty. If exactly 4 of the units of the lot are faulty, the probability that the lot is passed is

Choose one answer
a. 33/126
b. 26/126
c. 5/126
d. 1/6

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