A Loaf of Bread Is Normally Distributed with a Mean

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 < 20 ounces is 0.0.
(ii. The probability that a loaf of bread is > 21 ounces is 0.4772.
(iii) The probability that a loaf of bread is < 24 ounces is 1.0.

A) (i) , (ii) , and (iii) are all correct statements.
B) (i) is a correct statement but not (ii) or (iii) .
C) (i) and (iii) are correct statements but not (ii) .
D) (i) and (ii) are correct statements but not (iii) .
E) (ii) and (iii) are correct statements but not (i) .