Solution of problem N1165 Laplace probability theory

Solution of problem N1165 Laplace probability theory

1165. 400 samples of ore are to be examined. The probability of industrial metal content in each sample for all samples is the same and equal to 0.8. Find the probability that the number of samples with an industrial metal content will be between 290 and 350.

Additional information:

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

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