What percent of those who brought their cell phone to school every day were from

Question

What percent of those who brought their cell phone to school every day were from schools that forbid cell phones?

(6.14) The Pew Internet and American Life Project interviewed several hundred teens (ages 12 to 17). One question asked was “How often do you take your cell phone to school?” Below is a two-way table of the responses by how permissive the school is with regard to cell phone use:



Data Set

What percent of those who brought their cell phone to school every day were from schools that forbid cell phones?

about 21% about 65% about 16%

Explanation / Answer

Total number of students 25 + 19 + 4 + 14+ 31 + ... +57 = 612

The number of students who brought their cell phone to school every day were from shcools that forbid cell phones are 97

Required probabilty = 97 / 612 = 0.1585 = 16%

Correct Answer: Optiona (C)

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