The Probability Is

question 39

Multiple Choice

The probability is .80 that a standard normal random variable is between -z and +z. The value of z is approximately:

• A)1.28.
• B)1.35.
• C)1.96.
• D)1.45.

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Definitions:

Calculated Field

A field in databases and spreadsheets that generates a value based on a formula or condition applied to other fields.

Field Row

A horizontal line of cells in a table or database, designated for a specific category of data.

Shortcut Menu

A context-sensitive menu that appears when a user right-clicks on an object, offering a list of actions relevant to that object.

Calculated Fields

Fields in a database or spreadsheet where data is generated based on other data fields.