Two way tables
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Two-way tables
Question 1
80 students were asked if they had an MP3 player, a DVD player, or both.
| MP3 player | Not MP3 player | |
|---|---|---|
| DVD player | 36 | 12 |
| Not DVD player | 6 | 26 |
How many students have a DVD player?
Solution
The information is presented so that:
the row titled DVD shows that 36 students have a DVD player and an MP3 player and 12 students have a DVD player but don't have an MP3 player.
Therefore, the number of students who have a DVD player is 48.
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