You Want to Order a Pizza and Need to Pay

question 56

Multiple Choice

You want to order a pizza and need to pay with a credit card. You glance at your credit card number and then put the card back into your wallet. When it comes time to pay, you can only remember the first four numbers. Which of the following provides the best explanation as to why?

• A) Working memory is limited to 15 items, and your card has 16 digits.
• B) Your credit card number is mostly fours and twos and you get confused.
• C) The pizza delivery guy keeps talking while you are rehearsing the digits.
• D) Working-memory capacity is reduced because you have to hold the phone.

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Definitions:

Indifference Curves

Graphical representations showing combinations of goods that provide the consumer with the same level of satisfaction.

Max And Min Functions

Mathematical functions used to determine the maximum or minimum value within a set of numbers.

Utility Function

A mathematical representation of how consumer preferences lead to choices under conditions of scarcity.

Units Of Nuts

Measurements or quantities of nuts, often used in dietary, nutritional, or culinary contexts.