Which of the Following Is Correct About a Probability Distribution

question 109

Multiple Choice

Which of the following is correct about a probability distribution?

• A) The sum of all possible outcomes must equal 1.0.
• B) The outcomes must be mutually exclusive.
• C) The probability of each outcome must be between 0.0 and 1.0 inclusive.
• D) All apply.

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Definitions:

Sampling Distribution

The likelihood distribution of a specific statistic derived from a random sampling.

Infinite Number

A concept in mathematics that describes a quantity without bounds or limit.

T-statistic

A statistic used in hypothesis testing, computed as the difference between the sample mean and the hypothesized population mean, divided by the standard error of the mean.

Z-score

A statistical measurement that describes a value's relationship to the mean of a group of values, measured in terms of standard deviations from the mean.