A Paint Manufacturer Discovers That the Mean Volume of Paint

Multiple Choice

A paint manufacturer discovers that the mean volume of paint in a gallon-sized pail is 1 gallon with a standard deviation of 0.05 gallons. The paint volumes are approximately bell-shaped. Estimate the percent of pails with volumes between 0.90 gallons and 1.10 gallons.

A) 95%
B) 5%
C) almost all (greater than 95%)
D) 68%