Solution of problem N241 Laplace probability theory

Solution of problem N241 Laplace probability theory

241. When assessing the quality of products it was found that, on average, a third of the footwear produced by the factory has various defects in finishing. What is the probability that in a batch of 200 couples that have entered the store:
A) will have defects in finishing 60 pairs;
B) will not have defects of finishing from 120 to 148 pairs.

Additional information:

Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)

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