Solution of problem N971 probability theory total proba
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Product description
- In the group of athletes 20 skiers, 6 cyclists and 4 runners. The probability to fulfill the norm is as follows: for a skier, 0.9; for a bicyclist of 0.8 and for a runner of 0.75. Find the probability that an athlete, chosen at random, will fulfill the norm.
Additional information
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)