The Fish and Game Department stocked a lake with fish in the following proportions: 30% catfish, 15% bass, 40% bluegill, and 15% pike. Five years later it sampled the lake to see if the distribution of fish had changed. It found that the 500 fish in the sample were distributed as follows. Catfish 121 Bass 80 Bluegill 227 Pike 72 In the 5-year interval, did the distribution of fish change at the 0.05 level?

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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The Fish and Game Department stocked a lake with fish in the
following proportions: 30% catfish, 15% bass, 40% bluegill, and
15% pike. Five years later it sampled the lake to see if the
distribution of fish had changed. It found that the 500 fish in
the sample were distributed as follows.
Catfish
121
Bass
80
Bluegill
227
Pike
72
In the 5-year interval, did the distribution of fish change at the
0.05 level?
Transcribed Image Text:The Fish and Game Department stocked a lake with fish in the following proportions: 30% catfish, 15% bass, 40% bluegill, and 15% pike. Five years later it sampled the lake to see if the distribution of fish had changed. It found that the 500 fish in the sample were distributed as follows. Catfish 121 Bass 80 Bluegill 227 Pike 72 In the 5-year interval, did the distribution of fish change at the 0.05 level?
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