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September 19, 2014

September 19, 2014

Posted by **Carma** on Tuesday, September 11, 2007 at 4:25pm.

The weight of newborn children in the United States vary according to the normal

distribution with mean 7.7 pounds and standard deviation 1.68 pounds. The government

classifies a newborn as having low birth weight if the weight is less than 5.7 pounds.

a) What is the probability that a baby chosen at random weighs less than 5.7 pounds at

birth?

b) You choose three babies at random. What is the probability that their average birth

weight is less tan 5.7 pounds?

- Statisitics:Standard Deviation of Population and o -
**Robin**, Sunday, April 6, 2014 at 2:21pmThe weight x of all female German Shepherds is approximately normally distributed with population mean u=64 pounds and population standard deviation of o=8 pounds. a)What is the probability that a randomly selected female german shepherd weighs more than 75 pounds? p(x>75)?)

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