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Question: An unprepared student will take a quiz with 50 multiple choice questions with 4 options to each q…

by | Dec 1, 2023 | Posted Questions


An unprepared student will take a quiz with 50 multiple choice
questions with 4 options to each question (A,B,C,D). Let
X = the number of correct answers.

a. Is X a binomial random variable? if yes
determine the following:

b. Identify n,r,p, and q.

c. find the probability of getting 5 correct?

d. calculate the expected value and standard deviation of
correct answers.

e. Is it unsual to answer all 5 questions correct?

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