Tom is working at a McDonald. The arrival rate of customers is 10 persons per hour and
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Question:
Tom is working at a McDonald. The arrival rate of customers is 10 persons per hour and the number of customers every hour can be modeled as a Poisson random variable.
What is the probability that there are 25 customers arriving in three hours?
Today, Tom started working at 8:00 am in the morning. It is 8:10am now and no customer arrives yet. What is the probability that at least one customer will arrive by 8:30 am?
Please give me the solution with formulas, corresponding process and answer, not just instructions.
Related Book For
Business Statistics A First Course
ISBN: 9780321979018
7th Edition
Authors: David M. Levine, Kathryn A. Szabat, David F. Stephan
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