An Internet and cable-television supplier surveyed a random sample of their customers. The results are shown in the table. Satisfaction of Internet and Cable-Television Customers Satisfied Not satisfied Total Internet 1,820 212 2,032 Cable television 824 285 1,109 Total 2,644 497 3,141 Which statement about the two-way frequency table is true?
Answer
A
The survey represents quantitative data.
B
About one-fourth of the cable-television customers are not satisfied.
C
About half of the customers surveyed are cable-television customers.
D
There is a greater percentage of Internet customers who are not satisfied than cable television customers who are not satisfied.
Explanation
The proportion of cable-television customers who are not satisfied is 285 ÷ 1,109 ≈ 0.257, or about 26%. That is close to one-fourth, so the true statement is that about one-fourth of the cable-television customers are not satisfied.
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