I need the answer as soon as possible Q4)The number of telephone calls that arrive at a phone exchange is often modelled as a Poisson randomvariable. Assume that on the average there are 10 calls per hour.1) What is the probability that there are exactly 5 calls in one hour?2) What is the probability that there are 3 or less calls in one hour?3) What is the probability that there are exactly 15 calls in two hours?4) What is the probability that there are exactly 5 calls in 30 minutes?

Givenon average there are 10 call per hourλ=10 calls per hourLet "x" be the calls that arrive at a…

Answered: The number of telephone calls that…

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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The first image is the required information for the problem and the second image is questions asked.
Please help me Note: a=5, b=9, c=7, e=1
Does this value make sense in the context of the problem?

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