Seudónimo Seudónimo

21-05-2021
Mathematics

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A 5 question quiz is taken in which the 1st and 2nd questions have 4 answer choices, the 3rd and 4th have 3 answer choices, and the last question has 5 answer choices. If a student marks an answer randomly for each question, what is the expected number of questions he will answer correctly?

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atriandavid080 atriandavid080

23-05-2021

He is expected to get 3 questions correctly

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