Birth Weights at a Local Hospital Have a Normal Distribution

question 33

Multiple Choice

Birth weights at a local hospital have a Normal distribution, with a mean of 110 oz and a standard deviation of 15 oz. The proportion of infants with birth weights between 125 oz and 140 oz is:

• A)0.819.
• B)0.636.
• C)0.477.
• D)0.136.