Find the Mean of the Binomial Random Variable

question 59

Multiple Choice

Find the mean of the binomial random variable. Round to two decimal places when necessary.
-On a multiple choice test with 6 questions, each question has four possible answers, one of which is correct. For students who guess at all answers, find the mean for the random variable X, the
Number of correct answers.

• A)4.5
• B)3
• C)1.5
• D)2