October 9, 2015

Homework Help: MATH URGENT!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Posted by Eric on Friday, April 27, 2012 at 8:43pm.

Tara is researching the stork population living in a bird reserve. On her first day, she captures and tags 37 birds. Two weeks later, she captures 48 birds and finds that 30 are not tagged. Estimate the actual number of storks in the bird reserve.

27. In a marketing survey involving 910 randomly chosen people, it is found that 550 use brand P, 360 use brand Q, and 90 use both brands. How many people in the survey use brand Q and not brand P?

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