Solution of problem N485 Laplace probability theory

Solution of problem N485 Laplace probability theory

485. 90% of the products of this enterprise are products of the highest quality. Find the probability that of the 600 items you purchased, the first grade will be from 500 to 550.

Additional information:

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

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• $30 discount 10%
• $20 discount 7%
• $18 discount 6%
• $15 discount 5%
• $12 discount 4%
• $9 discount 3%
• $6 discount 2%
• $3 discount 1%