Question

The volumes of soda in quart soda bottles can be described by a normal model with a mean of 32.3 oz and a standard deviation of 1.2 oz.

What percentage of bottles will be filled to between 31.1 oz and 34.7 oz?
A) 81.5%
B) 79%
C) 21%
D) 18.5%

Answer 1

i went with D. is that right?

Answer 2

No , its A
use a z-score table