Solution of problem N1778 probability theory
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Product description
- The buyer purchased a vacuum cleaner and polisher. The probability that the vacuum cleaner will not fail during the warranty period is 0.95, for a polisher this probability is 0.9. Find the probability that
a) both devices will withstand the warranty period;
b) at least one will withstand the warranty period.
Additional information
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)