The time between arrivals of customers at the drive-up window of a bank follows an exponential probability distribution with a mean of 10 minutes

a. What is the probability that the arrival time between customers will be 7 minutes or less?
b. What is the probability that the arrival time between customers will be between 3 and 7 minutes?


a. .5034
b. .2442

Business

You might also like to view...

Assume that Village increases variable costs from $11 to $14 per person. Compute the new breakeven point in tickets and in sales dollars.

Village Arcade sells tickets at $25 per person as a one-day entrance fee. Variable costs are $11 per person, and fixed costs are $52,500 per month.

Business

Which type of store carries several product lines across multiple categories?

A) convenience B) department C) specialty D) wholesaler E) category killer

Business

It is not imperative to compare an organization's salary structure with those of competing firms in the community

Indicate whether the statement is true or false.

Business

The arrivals or inputs to the system are sometimes referred to as the calling population

Indicate whether the statement is true or false

Business