Solution of problem N248 Laplace probability theory

Solution of problem N248 Laplace probability theory

248. Suppose that the probability that a buyer needs to buy shoes of the 41st size is 0.2. Find the probability that out of 400 buyers no more than 100 will require shoes of this size.

Additional information:

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

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