Question: 7.23 Sampling telephone area codes. There are approxi mately 341 active telephone area codes covering Canada, the United States, and some Caribbean areas. (More are

7.23 Sampling telephone area codes. There are approxi mately 341 active telephone area codes covering Canada, the United States, and some Caribbean areas. (More are created regularly.) Choose an SRS of 25 ot these area codes for a study of available telephone numbers. (If you use Table B rather than software, start at line 129 and choose only the first 5 codes in the sample.)

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