Given That on One Section of the SAT the Mean

question 9

Multiple Choice

Given that on one section of the SAT the mean is 500 and the standard deviation is 100, what is the approximate probability of a student scoring 300 or lower or 700 or higher on the test?

• A)0.124
• B)0.022
• C)0.045
• D)0.245

---

Definitions:

Distribution

In statistics, the arrangement of values of a variable showing their observed or theoretical frequency of occurrence.

Normal Distribution

A bell-shaped distribution characterized by its mean and standard deviation, where the majority of data points are concentrated around the mean.

Quality Control Manager

A professional responsible for ensuring that products meet predetermined standards of quality through testing and inspection processes.

Probability

The measure of the likelihood that an event will occur, represented as a number between 0 and 1.