Forty-four percent of the members of the Science Club wear blue shirts. Which of the following is a binomial experiment?

A binomial experiment has a fixed number of trials, two possible outcomes on each trial, and counts the number of successes. In choice D, eight members are selected, and success can be defined as wearing a blue shirt; the count of successes is recorded. Choices A and C do not have a fixed number of trials because selection continues until a specified outcome occurs.

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