Solution of problem N547 Laplace probability theory

Solution of problem N547 Laplace probability theory

547. The probability of hitting the target with one shot from a crossbow is 15/19. What is the probability that, with 123 attempts, the target will be affected:
A) exactly 90 times;
B) 25 to 100 times?

Additional information:

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

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