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4090. Shooting is carried out on targets of type A, B, 2019

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4090. Shooting is carried out on targets of type A, B, C, the number of which, respectively, are 5: 3: 2. The probability of hitting a type A target is 0.4; Type B - 0.1; Type C - 0.15. Find the probability of hitting the target with one shot, if it is not known what type of target it will be made.

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

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