Math

A behavioral psychologist plans an experimental sleep study with college students. Which statements about this experiment must be true in order to use a binomial model?

Select all that apply.

HELP PLEASE

Each trial is independent.

There is an equal number of male and female students.

The only possible outcomes are wake-up or sleep.

Subjects are either first- or second-year college students.

The number of trials is fixed in advance.

Observers are not in the same room as the sleeping students.

Subjects must sign a human study release form.

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