Multiple choice

In 2022, the adult population of the United States was 261,300,000. That year, a technology research agency surveyed a randomly selected sample of adults (aged 18 or older) in the United States to determine their most preferred mode of digital communication. Each participant chose Texting, Email, or Video Call as their top choice. The table below summarizes the survey results. Region Texting Email Video Call Total Northeast 210 160 30 400 Midwest 195 135 20 350 South 240 110 50 400 West 250 120 30 400 Total 895 525 130 1550 Which of the following is closest to the difference between the percentage of adults in the South who preferred Texting and the percentage of adults in the Northeast who preferred Texting?

  1. 5%

  2. 7%

  3. 10%

  4. 12%
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Percentage in South = (240/400) * 100 = 60%. Percentage in Northeast = (210/400) * 100 = 52.5%. The difference is 60 - 52.5 = 7.5%, which is closest to 7%.

AI explanation

Calculate the percentage of adults in the South who preferred Texting by dividing 240 by 400, which equals 60%. Next, calculate the percentage for the Northeast by dividing 210 by 400, yielding 52.5%. The difference between these two percentages is 60 minus 52.5, resulting in 7.5%, making 7% the closest option.

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