Navigation Phone Satellite
venn diagram question, stuck!?
A group of 120 students were interviewed by an electronics magazine about which of the following three hand-held devices they used regularly. The results were as follows:
95 of the students used a Mobile Phone
40 used an MP3 player
10 used a Satellite Navigation device (SatNav)
30 used both a Phone and an MP3
7 used both a Phone and a SatNav
5 used both an MP3 and a SatNav
15 of the students used none of these devices.
Draw a Venn diagram to represent this information, and hence find how many of the group of students used all three of these devices.
let’s see, according to your information there are 4 different possibilites: mobile phone, mp3, satnav, none
http://www.teach-nology.com/worksheets/graphic/venn3/venn3.gif
is what your venn diagram should look like. and it should be labeled with phone, mps, and satnav and where they overlap is where it’s both
eg. satnav and mps
the none category goes outside all the circles you draw
Nokia N95 GPS/ Satellite Navigation simulation on a TV
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