Suncast Cable offers high definition (HD) cable TV, Internet and Phone services
ID: 3276793 • Letter: S
Question
Suncast Cable offers high definition (HD) cable TV, Internet and Phone services to its customers. For those service issues that can be resolved by calling its technical support center, Suncast's goal is to have the problem solved within 30 minutes. In order to determine how well it is achieving this goal, they monitored calls to its technical support center over the last three months.
The data compiled is shown in the table below.
What is the probability that a call to the technical support center involved an issue with Internet service? (Round to two decimal places.)
Problem Resolved/
HD cable TV
Internet
Phone
Yes
123
350
77
No
115
122
63
Problem Resolved/
HD cable TV
Internet
Phone
Yes
123
350
77
No
115
122
63
Explanation / Answer
What is the probability that a call to the technical support center involved an issue with Internet service?
Probability = Total number of calls involved an issue with internet service/ total number of calls
= (350 + 122) / (123 + 350 + 77 + 115 + 122 + 63) = 472/ 850 = 0.56
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