A quiz has 1 true-false question and 2 multiple choice questions that each have 4 answers what is the probability that someone q
uessing all 3 answers will get 100% on the quiz
1 answer:
1 true and false question = 1 / 2 chances
2 multiple choice question = 2/8
1/2 + 2/8 =
4/8 + 2/8 = 6/8.
6/8 = 3/4
you have a 75% chance of getting all 3 answers correct and getting a 100% on the quiz
hope this helps :D
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