Newborn babies in the United States have a mean birth weight of 7.5 pounds and a standard deviation of 1.25 pounds.Assume the data possesses a bell-shaped distribution.

A. What are the upper and lower limits of the interval that contains 95% of all newborns in the United States?

B. Does a newborn with a birth weight of 4.5 pounds fall within an interval which contains 95% of all newborn birth weights. Why or why not?