Concept explainers
A fish story (ExH). You are a biologist sampling the population of fish in Razorback Lake. You estimate the total fish population to be about 10,000. You catch and return 1500 fish (all at once) and obtain the following data. What percentage of the fish you caught were bluegills? How many bluegills do you think there are in the lake altogether? What assumptions are you making about the fish in the lake?
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The Heart of Mathematics: An Invitation to Effective Thinking, WileyPLUS NextGen Card with Loose-leaf Set Single Semester: An Invitation to Effective Thinking (Key Curriculum Press)
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