More capture-recapture Refer to Activity 5.1A (page 202).
Chapter 5, Problem 5.6(choose chapter or problem)
More capture-recapture Refer to Activity 5.1A (page 202). Mr. Washingtons class takes an initial sample of 50 goldfi sh. Aft er replacing the 50 tagged fi sh, the class obtains a second sample of fi sh. Of the 75 fi sh in this sample, 25 of the tagged fi sh are recaptured (along with 50 untagged fi sh). (a) Compute an estimate of the total number of fi sh in the lake. Show your method clearly. (b) Is the number of fi sh you calculated in (a) defi nitely, probably, probably not, or defi nitely not equal to the actual number of fi sh in the lake? Why? (c) Explain why the capture-recapture sampling method used in this Activity is not biased.
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