Academic Integrity: tutoring, explanations, and feedback — we don’t complete graded work or submit on a student’s behalf.

What percent of teens from schools that forbid cell phones brought their cell ph

ID: 3127748 • Letter: W

Question

What percent of teens from schools that forbid cell phones brought their cell phone to school every day? This percent is part of

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 teens from schools that forbid cell phones brought their cell phone to school every day? This percent is part of


the conditional distribution of school permissiveness among those who brought a cell phone to school every day. the marginal distribution of the frequency that a teen brought a cell phone to school. the conditional distribution of the frequency that a teen brought a cell phone to school among schools that forbid cell phones.

Explanation / Answer

Total

25

19

4

48

14

31

6

51

14

23

8

45

97

314

57

468

Total

150

387

75

612

What percent of teens from schools that forbid cell phones brought their cell phone to school every day? This percent is part of

             the conditional distribution of school permissiveness among those who brought a cell phone to school every day.

             the marginal distribution of the frequency that a teen brought a cell phone to school.

             the conditional distribution of the frequency that a teen brought a cell phone to school among schools that forbid cell phones.

P=97*100/150 =64.67%

Total

25

19

4

48

14

31

6

51

14

23

8

45

97

314

57

468

Total

150

387

75

612

Hire Me For All Your Tutoring Needs
Integrity-first tutoring: clear explanations, guidance, and feedback.
Drop an Email at
drjack9650@gmail.com
Chat Now And Get Quote