A student randomly guesses at 10 multiple choice questions. Find the probability that the student guesses exactly three correctly. Each question has four possible answers with only one correct answer, and each question is independent of every other question. a. Why is this a binomial experiment? List all of the conditions that makes this a binomial experiment. b. Find the probability of guessing exactly three correctly. c. Find the probability of guessing fewer than three correctly. that last less than d. Find the probability of guessing more than eight correctly.

MATLAB: An Introduction with Applications
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8. Example of a
A student randomly guesses at 10 multiple choice questions. Find the probability that the
student guesses exactly three correctly. Each question has four possible answers with only
one correct answer, and each question is independent of every other question.
a. Why is this a binomial experiment? List all of the conditions that makes this a
binomial experiment.
b. Find the probability of guessing exactly three correctly.
c. Find the probability of guessing fewer than three correctly.
d. Find the probability of guessing more than eight correctly.
5-209
Da
Transcribed Image Text:8. Example of a A student randomly guesses at 10 multiple choice questions. Find the probability that the student guesses exactly three correctly. Each question has four possible answers with only one correct answer, and each question is independent of every other question. a. Why is this a binomial experiment? List all of the conditions that makes this a binomial experiment. b. Find the probability of guessing exactly three correctly. c. Find the probability of guessing fewer than three correctly. d. Find the probability of guessing more than eight correctly. 5-209 Da
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