Use the Following Information to Answer the Question

question 21

Multiple Choice

Use the following information to answer the question. The mean age of lead actors from the top ten grossing movies of 2007 was 36.4 years with a standard deviation of 9.87 years. Assume the distribution of the actors ages is approximately unimodal and symmetric.
-In 2002, actor Adrian Brody won an academy award in for the movie "The Pianist." He was 1- years- old. Finish the statement: "According to the Empirical Rule, the ages of nearly all lead actors will be between and years. Adrien Brody was this range when she won the academy award."

• A)26.5; 46.3; not within
• B)6.8; 66.0; not within
• C)6.8; 66.0; within
• D)16.7; 56.1; within

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Definitions:

Earth

The third planet from the Sun, our home planet, or in electrical terms, the reference point in an electrical circuit for the return path of currents or a direct physical connection to the ground.

Ampere-Turns

A basic unit for measurement of magnetism. The product of number of turns of wire times current flow.

Electromagnet

A type of magnet in which the magnetic field is produced by an electric current, typically wrapping a wire around a ferromagnetic core, which can be turned on and off with the current.

Proportional

A relationship between two quantities where a change in one results in a corresponding change in the other, often depicted mathematically by a constant ratio.