Which of the following might be modelled by the binomial distribution (select all that apply). A....

Which of the following might be modelled by the binomial distribution (select all that apply).
A. The number of people who gave a "thumbs up" to a movie.

B. The number of caterpillars in a garden.

C. The number of times a woman correctly guesses whether tea was poured first or milk was poured first, in a trial of 6 tea cups.

D. In a cohort study, the number of participants that develop heart disease.

Solutions

Expert Solution

If any of the conditions do not met then it cannot be considered as a binomial random variable. For ex. In some cases we study how much time people have been contacted with smoking in the past . Including this factor itself eliminates the possibility of becoming this a binomial random variable. If the experiment for the exposure is fixed and it works seperately for each individual then we can consider this as a binomial random variable.

orchestra answered 1 year ago

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