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Mathematics

A fair die is thrown once. The probability of getting a composite number is

  1. 13\dfrac{1}{3}

  2. 16\dfrac{1}{6}

  3. 23\dfrac{2}{3}

  4. 0

Probability

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Answer

When a die is thrown the sample space is,

S = {1, 2, 3, 4, 5, 6}.

Let A be the event of getting a composite number,

∴ A = {4, 6}.

Hence, the no. of favourable outcomes to A = 2.

∴ P(A) = 26=13.\dfrac{2}{6} = \dfrac{1}{3}.

Hence, Option 1 is the correct option.

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