Solution of problem N190 Laplace probability theory

Solution of problem N190 Laplace probability theory

190. 400 trees were planted. The probability that the tree will survive is 0.8. Find the probability that the number of surviving trees will be: a) greater than 250; B) from 320 to 360.

Additional information:

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

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