What does the random variable for a binomial experiment of n trials measure? the random variable measures the number of successes out of n trials. the random variable measures the number of failures out of n trials. the random variable measures the standard deviation of n trials. the random variable measures the mean of n trials?

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Itsy

Mathematics

3 December, 05:35

What does the random variable for a binomial experiment of n trials measure? the random variable measures the number of successes out of n trials. the random variable measures the number of failures out of n trials. the random variable measures the standard deviation of n trials. the random variable measures the mean of n trials?

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Rodney Waters · Answer 1

My answer is the random variable measures the number of successes out of n trials.

A binomial random variable is defined as the number of successes x in n repeated trials of a binomial experiment. It is more feasible to measure the number of successes than the number of failures because the more successes you have, the nearer you are to your desired goal in a binomial experiment.