Solution of problem N752 Laplace probability theory

Solution of problem N752 Laplace probability theory

752. Each of 150 elements of some device is tested. The probability that the element will withstand the test is 0.9. Find the probability that they will withstand the test of more than 130 elements; exactly 130 elements.

Additional information:

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

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