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High in the Rocky Mountains, a biology research team has drained a lake to get After the lake was refilled they stocked it with an endangered species of Greenback trout

High in the Rocky Mountains, a biology research team has drained a lake to get rid of all sh. After the lake was refilled, they stocked it with an endangered species of Greenback trout. Of the 2000 Greenback trout put into the lake 800 were tagged for later study. An electroshock method is used on individual fish to get a study sample. However, this method is hard on the fish. The research team wants to know how many fish must be electro shocked to be at least 90% sure of getting a sample of 2 or more tagged trout. Please provide the answer. For more studies similar to this one, see A National Symposium on Catch and Release Fishing, Humboldt State University.

Apr 14 2020 View more View Less

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