A Gasoline Tank for a Certain Model Car Is Designed

question 28

Essay

A gasoline tank for a certain model car is designed to hold 12 gallons of gas. Suppose
that the actual capacity of gas tanks in cars of this type is well approximated by a
normal distribution with mean 12.0 gallons and standard deviation 0.2 gallons. What
is the approximate probability that a randomly selected car of this model will have a
gas tank that holds at most 11.7 gallons?

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Definitions:

Gastrocolic Reflex

Local reflex resulting in mass movement of the contents of the colon, which occurs after the entrance of food into the stomach.

Duodenocolic Reflexes

Reflexes that relate the function of the duodenum to the motility of the colon, aiding in digestion.

Peristalsis

A succession of wave-like contractions in muscles that push food through the digestive system.

Gallbladder

A small, pear-shaped organ located beneath the liver, which stores and concentrates bile produced by the liver.