Solution of problem N1216 Laplace probability theory

Solution of problem N1216 Laplace probability theory

1216. 1/9 of the Indians of Mexico - the Aztecs. What is the probability that of the 400 Aztec Indians are:
a) 50,
b) from 40 to 59.

Additional information:

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

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