d) A person is selected at random from this survey. What is the probability the person from the Northerm Region or rates the customer service as poor? is e) A person is selected at random from this survey. What is the probability the person rates the customer service as poor given they are from the Midwest Region?
d) A person is selected at random from this survey. What is the probability the person from the Northerm Region or rates the customer service as poor? is e) A person is selected at random from this survey. What is the probability the person rates the customer service as poor given they are from the Midwest Region?
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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This is for question D-E

Transcribed Image Text:11. Suppose the table represents the results ofa survey of customer satisfaction for a cable
company. The company receives a high proportion of negative responses regarding its
customer service. Round your answer to three decimal places as necessary.
Customer Service
Excellent
Good
Fair
Poor
Region
North
57
60
65
80
75
80
90
Midwest
South
60
49
52
60
70
a) A person is selected at random from this survey. What is the probability the person
rates the customer service as fair?
b) A person is selected at random from this survey. What is the probability the person is
from the Midwest Region?
a

Transcribed Image Text:d) A person is selected at random from this survey. What is the probability the person is
from the Northern Region or rates the customer service as poor?
e) A person is selected at random from this survey. What is the probability the person
rates the customer service as poor given they are from the Midwest Region?
12. Overdraft fees at a large banks range from $10 to $35. Consumers believe these charges
are annoying and excessive, but the fees generate large revenues for banks. Let X be the
amount of an overdraft fee for a randomly selected bank. The probability distribution of
X is given in the table. Round your answer to three decimal places as necessary.
CFocus
a
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