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The weights of newborn babies in Foxboro Hospital are normally

The weights of newborn babies in Foxboro Hospital are normally distributed with a mean of 6.9 pounds and a standard deviation of 1.2 pounds.

(a) How unusual is a baby weighing 8.0 pounds or more?

(b) What would be the 90th percentile for birth weight?

(c) Within what range would the middle 95 percent of birth weights lie?

(a) How unusual is a baby weighing 8.0 pounds or more?

(b) What would be the 90th percentile for birth weight?

(c) Within what range would the middle 95 percent of birth weights lie?

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