Mathematical Statistics and Data Analysis
Mathematical Statistics and Data Analysis
3rd Edition
ISBN: 9781111793715
Author: John A. Rice
Publisher: Cengage Learning
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Chapter 2.5, Problem 30P

a.

To determine

Compute the probability of k suicides in a year for k=0,1,2,.

Find the most probable number of suicides.

b.

To determine

Find the probability of two suicides in one week.

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Suppose that the average number of calls coming into a local store with many telephone lines is 2 per hour during working hours (from 9am to 7pm). If we wish to model these incoming calls as a Poisson process, a) What assumptions must we make? b) If these assumptions hold, how many calls can we expect in a day? c) What is the probability of having three calls by noon? d) What is the probability of having the first call after 10:30 am?
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