Let X = the Time (In Minutes) That a Postal

question 18

Multiple Choice

Let X = the time (in minutes) that a postal clerk spends with her customers.This time is known to have an exponential distribution with an average of 4 minutes.What is the parameter λ for this random variable?

• A) 4
• B) 2
• C) 0.5
• D) 0.25

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Definitions:

Amateur Athletes

Individuals who engage in sports competitions without receiving payment or financial gain for their performance.

Higher Wages

An increase in the amount of money received by workers per unit of time, which can impact labor markets and consumer spending.

Chance

The occurrence and development of events without any obvious design or cause, often expressed in terms of probability.

Discrimination

Unjust or prejudicial treatment of different categories of people, especially on the grounds of race, age, or sex.