Use the Confidence Interval to Find the Margin of Error $\bar { x }$

question 69

Multiple Choice

Use the confidence interval to find the margin of error and the sample mean. (12, 20)

• A)E = 4, \(\bar { x }\) = 16
• B)E = 88, \(\bar { x }\) = 16
• C)E = 8, \(\bar { x }\) = 12
• D)E = 4, \(\bar { x }\) = 20

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Definitions:

Standard Deviations

Measures that quantify the amount of variation or dispersion of a set of data values from the mean.

Probability

The determination of how probable an event is, denoted as a number from 0 to 1.

Uniform Density

Uniform density refers to a type of distribution in which every outcome in a range has an equal probability of occurring, often represented in physics and probability theory.

Probability

A quantification of the chance that a specific event happens, represented as a number ranging from 0 to 1.