Solution of problem N4236 Laplace probability theory

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4236. According to a survey, it was found that 45% of buyers required women´s shoes of size 38. It is known that an average of 190 people visit a store every day. Find: a) the most likely number of buyers who need size 38 women´s shoes and calculate the probability corresponding to this event, b) the likelihood that size 38 shoes will need at least 80 customers.

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

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