The quality control manager of a snack food
manufacturer randomly selects chips and
measures the length. He calculates that the
mean length of the chips is 3 inches and the
standard deviation is 0.2.
What does this information tell him?
A. Most of the chips are a lot shorter than 3 inches.
B. Most of the chips are a lot longer than 3 inches.
C. Most of the chips are between 2.8 and 3.2 inches long.
