Trying to solve a venn diagram word question

label Mathematics
account_circle Unassigned
schedule 1 Day
account_balance_wallet $5

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

Did you know? You can earn $20 for every friend you invite to Studypool!
Click here to
Refer a Friend
...
Dec 14th, 2014
...
Dec 14th, 2014
Oct 18th, 2017
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