A die is rolled three times. The probability that exactly one odd number turns…

1998

A die is rolled three times. The probability that exactly one odd number turns up among the three outcomes is

  1. A.

    1/6

  2. B.

    3/8

  3. C.

    1/8

  4. D.

    1/2

Attempted by 5 students.

Show answer & explanation

Correct answer: B

The probability of exactly one odd number in three rolls is calculated using the binomial formula: C(3,1) * (1/2)^1 * (1/2)^2 = 3/8. This accounts for choosing which roll is odd and the probabilities of each outcome.

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