Question 3 A large lake contains an abundance of rainbow trout. You capture 75 trout, tag and then release them. You then capture another sample of 200 trout. Of the 200 trout in this second sample, 15 have tags. a) Estimate the number of trout in the lake using the mark-recapture technique. b) What assumptions do you make when using the mark-recapture technique? State at least two (2) assumptions and explain why they are important.

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