suppose that Carlos is taking a multiple-choice test where there are 5 answer choices for each question and he randomly guesses on four questions. a) what is the probability that he gets exactly three of those questions correct? b) what is the probability that he gets at least one out of the four questions correct? c) what is the probability that he gets none of the four questions correct?
suppose that Carlos is taking a multiple-choice test where there are 5 answer choices for each question and he randomly guesses on four questions. a) what is the probability that he gets exactly three of those questions correct? b) what is the probability that he gets at least one out of the four questions correct? c) what is the probability that he gets none of the four questions correct?
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 6ECP: In Pennsylvania’s Cash 5 game, a player chooses five different numbers from 1 to 43. If these five...
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suppose that Carlos is taking a multiple-choice test where there are 5 answer choices for each question and he randomly guesses on four questions.
a) what is the probability that he gets exactly three of those questions correct?
b) what is the probability that he gets at least one out of the four questions correct?
c) what is the probability that he gets none of the four questions correct?
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