Answer :
The expected average number of correct guesses per person would be 12 questions x 20% = 2.4 correct guesses per person.
2.4 correct guesses per person.
Since there are 12 multiple choice questions each with 5 answer choices, each question has a 20% chance of being correct (1/5). The expected average number of correct guesses per person on a quiz with 12 multiple choice questions and 5 answer choices per question is 2.4. This is because each question has a 20% chance of being correct (1/5). Therefore, with 12 questions, the expected average number of correct guesses per person is 12 x 20%, which is 2.4. Since the whole class forgot to study for the quiz, it is likely that they will all be guessing randomly. Therefore, the expected average number of correct guesses per person is 2.4.
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