The weights of newborn babies are normally distributed. The average birth weight is u = 7.0 lbs and the standard deviation is o = 1.2 lbs.

4. The weights of newborn babies are normally distributed. The average birth weight is u = 7.0 lbs and the standard deviation is o = 1.2 lbs. a) What is the probability that a newborn baby weighs between 6.0 and 8.5 lbs.? b) Fill in the blanks: “99.7% of all newborn babies weigh between lbs. and lbs.” hello i need answers to 4a, and 4b please and thank you! 4. The weights of newborn babies are normally distributed. The average birth weight is µ = 7.0 lbs and the standard deviation is o = 1.2 lbs. a) What is the probability that a newborn baby weighs between 6.0 and 8.5 lbs.? b) Fill in the blanks: “99.7% of all newborn babies weigh between lbs. and lbs.”