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OpenStudy (anonymous):
A biologist is conducting research on four different types of fish found in a local lake. The numbers of each type are shown in the table. A table shows the number of fish found in a location. There were ninety small-mouth bass found, two hundred eighty crappies found, sixty sunfish found, and one hundred twenty yellow perch found. She plans to use a stratified sampling method in which twenty percent of the total population is included in the studies. How many yellow perch will be in her sample? A. 6 B. 24 C. 12 D. 18
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OpenStudy (anonymous):
b
OpenStudy (anonymous):
sorry i left had to take my dog out thank u
OpenStudy (anonymous):
No Problem
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