The overnight shipping business has skyrocketed in the last ten years. The single greatest predictor of a company's success is customer service. A study was conducted to determine the customer satisfaction levels for one overnight shipping business. In addition to the customer's

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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The overnight shipping business has skyrocketed in the last ten years. The single greatest predictor of a company's success is customer service. A study was conducted to determine the customer satisfaction levels for one overnight shipping business. In addition to the customer's satisfaction level, the customers were asked how often they used overnight shipping. The results are shown below in the following table: 

A customer is chosen at random. Find the probability that the customer uses the company more than five times per month (>5)   OR the customer expressed medium satisfaction with the company?

The overnight shipping business has skyrocketed in the last ten years. The single greatest predictor of a company's success is customer service. A study was conducted to determine the customer satisfaction levels for one overnight shipping business. In addition to the customer's satisfaction level, the customers were asked how often they used overnight shipping. The results are shown below in the following table: 




A customer is chosen at random. Find the probability that the customer uses the company more than five times per month (>5)   ORthe customer expressed medium satisfaction with the company?

a. 320/700
b. 0.4122
c. 25/100
d. 295/700
Satisfaction level
Frequency of Use
<2 per month
2 -5 per month
>5 per month
TOTAL
High
Medium
Low
TOTAL
250
140
10
400
140
55
200
70
25
100
460
220
20
700
Transcribed Image Text:Satisfaction level Frequency of Use <2 per month 2 -5 per month >5 per month TOTAL High Medium Low TOTAL 250 140 10 400 140 55 200 70 25 100 460 220 20 700
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