What is the probability that the company will receive exactly 2 emergency calls during a specified week? i. A 0.030 B 0.970 C 0.023 D 0.993 ii. What is the probability that there will be at least four emergency calls on a given day? A 0.173 B 0.918 C 0.996 D 0.019

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 31E
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d)
The scheduling manager of an electricity supply company knows that the number of emergency
calls follows a Poisson distribution with an average of 7 calls per week (7 days)
What is the probability that the company will receive exactly 2 emergency calls during a
specified week?
i.
A 0.030
B 0.970
C 0.023
D 0.993
ii.
What is the probability that there will be at least four emergency calls on a given day?
A 0.173
B 0.918
C 0.996
D 0.019
Transcribed Image Text:d) The scheduling manager of an electricity supply company knows that the number of emergency calls follows a Poisson distribution with an average of 7 calls per week (7 days) What is the probability that the company will receive exactly 2 emergency calls during a specified week? i. A 0.030 B 0.970 C 0.023 D 0.993 ii. What is the probability that there will be at least four emergency calls on a given day? A 0.173 B 0.918 C 0.996 D 0.019
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