Mathematics, 19.03.2020 08:59 19jcormier

The mean time it takes for workers at a factory to insert a delicate bolt into an engine is 15 minutes. The standard deviation of time to insert the bolt is 4.0 minutes and the distribution of time is approximately Normally distributed. For a randomly selected worker, what is the approximate probability the bolt will be inserted in 19 minutes or less

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The mean time it takes for workers at a factory to insert a delicate bolt into an engine is 15 minut...