Chapter 6, Problem 15P

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8th Edition

Frederick J Gravetter + 1 other

ISBN: 9781133956570

Textbook Problem

The distribution of SAT scores in normal with μ = 500 and σ = 100.

- a. What SAT score,
*X*value, separates the top 15 % of the distribution from the rest? - b. What SAT score,
*X*value, separates the top 10 % of the distribution from the rest? - c. What SAT score,
*X*value, separates the top 2 % of the distribution from the rest?

**(a)**

To determine

**To find:** The SAT score, *X* value separate the top 15% from the rest.

Explanation

**Given info:**

The *X* value separates top 15% from the rest.

**Calculation:**

Use the excel formula

**(b)**

To determine

**To find:** The SAT score, X value separate the top 10% of the distribution from the rest.

**(c)**

To determine

**To find:** The SAT score, X value separate the top 2% of the distribution from the rest.

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