The Owner of a Small Convenience Store Is Trying to Decide

question 137

Essay

The owner of a small convenience store is trying to decide whether to discontinue selling magazines. He suspects that only
5% of the customers buy a magazine and thinks that he might be able to use the display space to sell something more
profitable. Before making a final decision he decides that for one day he'll keep track of the number of customers and
whether or not they buy a magazine.
-What is the probability that he does not sell a magazine until the 8th customer? Show
work.

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Definitions:

Inelastic

A description of a situation where the demand or supply for a good or service is relatively unresponsive to changes in price.

Price Elasticity

A measure of how much the quantity demanded or supplied of a good changes in response to a change in its price, indicating the sensitivity of demand or supply to price changes.

Quantity Demanded

The total amount of a good or service that consumers are willing and able to purchase at a given price, holding all other factors constant.

Inelastic

Refers to a scenario in which a change in price leads to a comparatively small change in the quantity demanded or supplied.