AsianAtari9340
14.07.2020 •
Mathematics
An Internet and cable-television supplier surveyed a random sample of their customers. The results are shown in the table. A 4-column table with 3 rows. The first column has no label with entries internet, cable television, total. The second column is labeled satisfied with entries 1,820; 824; 2,644. The third column is labeled not satisfied with entries 212, 285, 497. The fourth column is labeled total with entries 2,032; 1,109; 3,141. Which statement about the two-way frequency table is true? The survey represents quantitative data. There is a greater percentage of Internet customers who are not satisfied than cable television customers who are not satisfied. About half of the customers surveyed are cable-television customers. About one-fourth of the cable-television customers are not satisfied.
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Ответ:
each student gets 2
how many 2's are in 230
230/2=115
there are 115 students