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The weights of newborn babies follow a normal distribution with mean 3.5 kilograms and standard deviation 0.5 kilograms. (a) What is the probability that a

The weights of newborn babies follow a normal distribution with mean 3.5 kilograms and standard deviation 0.5 kilograms.

(a) What is the probability that a newborn baby will weigh more than 4.4 kilograms?

(b) What is the probability that a newborn baby will weigh less than 2.2 kilograms?

(c) A doctor tells a mother that her newborn baby is at the 80% percentile of birth weight. How much does the baby weigh?

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