On the average, 20 people per hour uses an express teller machine situated inside aschool complex. What is the probability that during a randomly selected time on aTuesday afternoon,i.Exactly 6 people will use the teller machine.ii.At most 15 will use the teller machine

We have given that Average ( λ ) = 20 Formula used. P(X=x)= (e-λ * λx )/x!

Answered: On the average, 20 people per hour uses…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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On the average, 20 people per hour uses an express teller machine situated inside a chool complex. What is the probability that during a randomly selected time on a uesday afternoon, Exactly 6 people will use the teller machine. At most 15 will use the teller machine