question archive Times for a surgical procedure are normally distributed
Times for a surgical procedure are normally distributed
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Times for a surgical procedure are normally distributed. There are two methods. Method A has a mean of 35 minutes and a standard deviation of 4 minutes, while method B has a mean of 39 minutes and a standard deviation of 2.0 minutes.
(a) Which procedure is preferred if the procedure must be completed within 35 minutes?
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Method A
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Method B
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Either Method
(b) Which procedure is preferred if the procedure must be completed within 45.0 minutes?
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Method A
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Method B
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Either Method
(c) Which procedure is preferred if the procedure must be completed within 43 minutes?
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Method A
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Method B
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Either Method
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