Question

Asked Oct 15, 2019

I lost my notes for solving this sample question for an upcoming exam. Some help reviewing would be awesome! Thank you!

Number 7 is the one I'm looking at

1 Rating

Step 1

**Binomial distribution:**

The binomial distribution gives the probability of number of successes out of *n* trials in a series of Bernoulli trials.

The probability mass function (pmf) of a binomial random variable *X* is given as:

Step 2

Given that there are 4 possible answers for 3 multiple choice questions.

The random variable *X*, the numbers of questions answered correctly follows the binomial distrib...

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