Ten vendors are selling at an event, and an attendance of 42,000 is projected. it is anticipated that 65 percent of the attendees will make purchases. assuming that each vendor has an equal chance of having an attendee prefer their products, what is the average number of customers each will serve?

For this case, the first thing we must do is calculate the number of attendees who will make purchases.
 We have then:
 (42000) * (0.65) = 27300
 We are now looking for the number of attendees that each vendor will attend.
 We have then:
 N = (27300) / (10)
 N = 2730
 
 the average number of customers each will serve is:
 N = 2730

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