A Loaf of Bread Is Normally Distributed with a Mean

question 21

Multiple Choice

A loaf of bread is normally distributed with a mean of 22 ounces and a standard deviation of ½ ounces. (i) The probability that a loaf of bread is between 20.75 and 23.25 ounces is 0.9876.
(ii. The probability that a loaf of bread is > 21 ounces is 0.9772.

• A) (i) and (ii) are correct statements.
• B) (i) is a correct statement but not (ii).
• C) (ii) is a correct statement but not (i).
• D) (i) and (i) are false statements.

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