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Suppose a manufacturing company makes a certain item the

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Reference no: EM13615446

Suppose a manufacturing company makes a certain item. The time to produce each item is normally distributed around a mean of 157 minutes with a standard deviation of 46 minutes.

What proportion of the items will take more than 2 hours to make?

What proportion of the items will take between 160 and 200 minutes to make?

Reference no: EM13615446

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