A Cashier at Carter's Cafeteria Can Total an Average of 2.2

question 124

Multiple Choice

A cashier at Carter's cafeteria can total an average of 2.2 trays per minute.
-A cashier at Carter's cafeteria can total an average of 2.2 trays per minute.The probability that the cashier will total no more than three trays in a minute is:

• A) 0.1966.
• B) 0.6227.
• C) 0.9275.
• D) 0.8193.

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Definitions:

Independent Variables

Variables in an experiment or study that are manipulated or changed to determine their effects on dependent variables.

Observations

The act of measuring or recording data points or occurrences in a scientific or systematic manner for analysis.

Independent Variable

An independent variable is a variable that is manipulated in an experiment to see if it causes a change in another variable.

Multiple Regression Model

A statistical method that explains the relationship between one dependent variable and two or more independent variables.