PYQ Vault

5 multiple-choice questions with 3 options: probability of 4 or more correct by guessing

The same question, asked 2 times: 4 May 2023 S1, 15 May 2023 S1. Every wording below, oldest first.

Try each one first, then open its answer.

  1. Question 1

    4 May 2023 S1

    145
    A multiple-choice examination has 5 questions. Each question has three alternative answers of which exactly one is correct. The probability that a student will get 4 or more correct answers just by guessing, is

    Tap an option to check your answer.

  2. Question 2

    15 May 2023 S1

    129
    A multiple-choice examination has 5 questions. Each question has three alternative answers of which exactly one is correct. The probability that a student will get 4 or more correct answers just by guessing is

    Tap an option to check your answer.