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In a recent study, 90 people were surveyed about what type o
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28 Apr 2018, 00:52
28 Apr 2018, 00:52
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72% (02:11) correct
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In a recent study, 90 people were surveyed about what type of animal they owned as a pet. Everyone surveyed owned at least one animal. The results are shown in the Venn diagram. What percent of the respondents said they had a dog and a cat but no birds?
A.15%
B.17%
C.30%
D.46%
E.90%
Re: In a recent study, 90 people were surveyed about what type o
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28 Apr 2018, 16:00
28 Apr 2018, 16:00
I got the answer right but I am sure my working took a lot of time. I took time to figure out how to do it. Can someone please explaing an easier way?
Re: In a recent study, 90 people were surveyed about what type o
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16 Dec 2018, 20:40
16 Dec 2018, 20:40
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kruttikaaggarwal wrote:
I got the answer right but I am sure my working took a lot of time. I took time to figure out how to do it. Can someone please explaing an easier way?
All of these items must add to 90. Let's label the unlabeled portion x. Then,
90 = 29 + 2 + 4 + 17 + 9 + 14 + x
x = 15
15/90 = 16.6%
B
