Question: Player The mean time it takes for workers at a factory to insert a delicate bolt into an engine is 15 minutes. The standard deviation

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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.97.5% of the time, the bolt is inserted in less than which time value? Round to the nearest whole number.

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