An Hypothesis Test Using 95 Percent Confidence Has a Significance

question 30

Multiple Choice

An hypothesis test using 95 percent confidence has a significance level equal to __________.

• A)1
• B)0.05
• C)0.01
• D)0.95

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Definitions:

Standard Normal Random Variable

A random variable that follows a standard normal distribution.

Area

The extent or measurement of a surface or piece of land.

z

Often represents a standard score in statistics, indicating how many standard deviations an element is from the mean.

Standard Normal Distribution

The standard normal distribution is a normal distribution with a mean of 0 and a standard deviation of 1, used in probability theory to represent real-valued random variables with unknown distributions.