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3 votes
there are 2,300 licensed dogs in clarkson. A random sample of 50 of the dogs in Clarkson shows that 8 have ID microchips implanted. how many dogs in clarkson are likely to have ID microchips implanted

User Abhink
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2 Answers

5 votes
368 dogs in town have microchips
User Sevensilvers
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7.9k points
2 votes
Set up a ratio comparing the sample portion to the whole portion.

x= # of all dogs likely to have chip

Sample: 8 out of 50
Whole: x out of 2,300

8/50= x/2300
cross multiply

(50*x)= (8*2300)
50x= 18400

divide both sides by 50
x= 368


ANSWER: 368 dogs in Clarkson are likely to have a microchip.

Hope this helps! :)
User Rdadolf
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9.1k points