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The safety limit of a crane is 42 tons, the mean weight and the standard deviation of a large number of iron rods are 0.2 ton and 0.5 ton respectively 20 rods are lifted at a time. Find the probability of an accident.

The safety limit of a crane is 42 tons, the mean weight and the standard deviation of a large number of iron rods are 0.2 ton and 0.5 ton respectively 20 rods are lifted at a time. Find the probability of an accident.

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Grade:12th pass

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