A technician services mailing machines at companies in the Phoenix area. Depending on the type of malfunction, the service call can take 2.4, 3.6, or 4.8 hours. The different types of malfunctions occur at the same frequency. If required, round your answers to two decimal places. a. Develop a probability distribution for the duration of a service call. Duration of Call f(x) x 1.2 21 0.25 0.25

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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Does this probability distribution satisfy equation (5.2)?
Yes, the sum of all probability function values equals 1.
d. What is the probability a service call will take 3.6 hours?
.25
e. A service call has just come in, but the type of malfunction is unknown. It is 3:00 P.M. and service technicians usually get off at 5:00 P.M. What
is the probability the service technician will have to work overtime to fix the machine today?
0.50
Transcribed Image Text:Does this probability distribution satisfy equation (5.2)? Yes, the sum of all probability function values equals 1. d. What is the probability a service call will take 3.6 hours? .25 e. A service call has just come in, but the type of malfunction is unknown. It is 3:00 P.M. and service technicians usually get off at 5:00 P.M. What is the probability the service technician will have to work overtime to fix the machine today? 0.50
A technician services mailing machines at companies in the Phoenix area. Depending on the type of malfunction, the service call can take 1.2,
2.4, 3.6, or 4.8 hours. The different types of malfunctions occur at the same frequency.
If required, round your answers to two decimal places.
a. Develop a probability distribution for the duration of a service call.
Duration of Call
f(x)
X
1.2
2.4
3.6
0.25
0.25
0.25
Transcribed Image Text:A technician services mailing machines at companies in the Phoenix area. Depending on the type of malfunction, the service call can take 1.2, 2.4, 3.6, or 4.8 hours. The different types of malfunctions occur at the same frequency. If required, round your answers to two decimal places. a. Develop a probability distribution for the duration of a service call. Duration of Call f(x) X 1.2 2.4 3.6 0.25 0.25 0.25
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A technician services mailing machines at companies in the Phoenix area. Depending on the type of malfunction, the service call can take 1.2, 2.4, 3.6, or 4.8 hours. The different types of malfunctions occur at the same frequency.
If required, round your answers to two decimal places.

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