Use the Following Information to Answer the Question

question 28

Multiple Choice

Use the following information to answer the question. The mean age of lead actresses from the top ten grossing movies of 2010 was 29.6 years with a standard deviation of 6.35 years. Assume the distribution of the actresses' ages is approximately unimodal and symmetric.
-Between what two values would you expect to find about 68% of the lead actresses ages?

• A)10.55 and 48.65 years
• B)23.25 and 35.95 years
• C)16.9 and 42.3 years
• D)None of these

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Definitions:

Normal Model

A commonly used probability distribution characterized by its bell-shaped curve, symmetric about the mean and describing many natural phenomena.

English Exam

An examination assessing an individual's proficiency in the English language, covering aspects like grammar, comprehension, and writing skills.

Normal Model

The normal model, also known as the normal distribution, is a continuous probability distribution that is symmetrical about its mean, depicting how variables are distributed in many natural and social phenomena.

Unusually High

A term describing values or quantities that significantly exceed the expected or average levels.