Customers arrive at a single self-serve coffee machine in a busy mall at the rate of 20 per hour, following Poisson distribution. Each customer takes exactly 90 seconds to get his or her coffee. What is the expected number of customers in queue at this coffee machine?

Arapid increase in the population of a city or town is most likely to lead to which of the following? a. higher-paying jobs. b. low housing prices. c. a seller's market. d. a drop in population density. 2b2t

Before contacting the news or print media about your business, what must you come up with first ? a. a media expertb. a big budgetc. a track recordd. a story angle

When an interest-bearing note comes due and is uncollectible, the journal entry includes debitingaccounts receivable and crediting notes receivable and interest revenue.accounts receivable and crediting interest revenue.notes receivable and crediting accounts receivable and interest revenue.notes receivable and crediting accounts receivable.