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?

Question

Quizplus · Accepted Answer

The researcher estimates the probability as the proportion of the species of interest found in her sample, which is 32 out of 40, or 32/40 = 0.80.

A Researcher Is Trying to Determine the Proportion of a Certain