Question
(15 points) Suppose the table represents the results of a survey of customer satisfaction for a cable company. The company receives a high proportion of
- (15 points) Suppose the table represents the results of a 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 75 80 Midwest 50 75 80 100 South 49 59 60 70
| Customer Service | |||||
| Excellent | Good | Fair | Poor | ||
| Region | North | 57 | 60 | 75 | 80 |
| Midwest | 50 | 75 | 80 | 100 | |
| South | 49 | 59 | 60 | 70 |
A. (3 points) A person is selected at random from this survey. What is the probability the person rates the customer service as poor?
B. (3 points) A person is selected at random from this survey. What is the probability the person is from the Northern Region?
C. (3 points) A person is selected at random from this survey. What is the probability the person is from the Southern Region and rates the customer service as excellent?
D. (3 points) A person is selected at random from this survey. What is the probability the person is from the Midwestern Region or rates the customer service as fair?
E. (3 points) A person is selected at random from this survey. What is the probability the person rates the customer service as fair given they are from the Midwestern Region?
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Calculus
Authors: Dale Varberg, Edwin J. Purcell, Steven E. Rigdon
9th edition
131429248, 978-0131429246
