The number of no-shows each day for dinner reservations at the Cottonwood Grille is a discrete random variable with the following probability distribution: 
Based on this information, the expected number of no-shows is 1.65 customers.
Definitions:
Time Preference
The degree to which individuals prioritize current goods and services over future ones.
Present Value
The current worth of a future sum of money or stream of cash flows given a specified rate of return, used in finance and investment analysis.
Interest Rate
The percentage at which interest is charged or paid on borrowed or saved money, often influencing economic activity.
Time Preference
An individual's preference for receiving goods or services sooner rather than later, reflecting the value of future goods as compared to present goods.
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