A Random Sample of N = 16 Scores Is Selected

question 23

Multiple Choice

A random sample of n = 16 scores is selected from a normal distribution with μ = 500 and σ = 200.For this sample,which of the following is true?

• A)p(402 < M < 598) = 0.95
• B)p(425 < M < 575) = 0.95
• C)p(450 < M < 550) = 0.95
• D)p(490 < M < 510) = 0.95

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Definitions:

Equations

Mathematical statements asserting the equality of two expressions, composed of variables and constants.

Equation

An equation is a mathematical statement that asserts the equality of two expressions, typically including one or more variables.

Decimal Places

The number of digits to the right of the decimal point in a number, indicating the precision or fraction part.

Percent

A part per hundred ratio, a way of expressing a number as a fraction of 100.