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Solution of problem N19 probability theory
19. Shooting is conducted from the point X along the straight line OX. The average flight range is "a". It is assumed that the flight range is distributed according to the normal law with an average quadratic deviation of 80 m. Find what percentage of the projectiles produced allows a flight from 120 m to 160 m.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
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Discount for regular customers! If the total of your purchases from the seller
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