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A Researcher Is Trying to Determine the Proportion of a Certain

Question 39

Multiple Choice

A researcher is trying to determine the proportion of a certain species of fish in a local lake. After sampling 40 fish, she found 32 of them were the species of interest. What does she estimate as the probability that the next randomly selected fish will be of the species of interest?


A) 0.32
B) 0.50
C) 0.80
D) 1.25

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