Trying to solve a venn diagram word question

Mathematics
Tutor: None Selected Time limit: 1 Day

During a survey of a group of 100 consumers 25 had bough a VW, 33 had bough a truck, 15 had bough a Porsche, 20 had bough VW &truck, 6 had bough VW & Porsche, 10 had truck & Porsche, 2 had all 3.

How many consumers had bought none of these vehicles?

Dec 14th, 2014

N =100

n(V) =25

n(T) =33

n(P) =15

n(VT) =20

n(VP) =6

n(TP) =10

n(VTP) =2

n(V’ T’ P’)   = N-n(V)-n(T)-n(P)+n(VT)+n(VP)+n(TP) –n(VTP)

    = 100-(25+33+15)+(20+6+10)-2

  =100-73+36-2 =61


Dec 14th, 2014

Studypool's Notebank makes it easy to buy and sell old notes, study guides, reviews, etc.
Click to visit
The Notebank
...
Dec 14th, 2014
...
Dec 14th, 2014
Dec 3rd, 2016
check_circle
Mark as Final Answer
check_circle
Unmark as Final Answer
check_circle
Final Answer

Secure Information

Content will be erased after question is completed.

check_circle
Final Answer