Explain the meaning of the term "97% confidence" in the following scenario without using the word "confident" or "confidence" (or synonyms like certain, sure...) in the part you must add.

Scenario: You are measuring the length of fish in a pond and want to know the mean length of the population of fish. You must begin your explanation with "Assume I have data from 100 samples of fish taken from the pond. The 97% confidence interval indicates that...."