Instead of Using Cash, Dorothy Uses a Bank Card to Pay

question 121

Multiple Choice

Instead of using cash, Dorothy uses a bank card to pay for most of her purchases. She likes to remain debt-free, so she uses a card in which the purchase amount is immediately deducted from her bank account. In this case, Dorothy is using a _____.

• A) credit card
• B) debit card
• C) stored-value card
• D) fleet card

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Definitions:

Standard Deviation

An indicator of the spread or distribution of a group of numbers, showing the degree to which these numbers vary from the average.

Uniform Distribution

A type of probability distribution in which all outcomes are equally likely over a given interval.

Probability

The measure of the likelihood that a specific event will occur, expressed as a number between 0 and 1.

Subway Waiting

The time period a passenger waits for a subway train to arrive, typically considered as a random variable in transit studies.