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Discussion :: Probability

  1. In a lottery, there are 10 prizes and 25 blanks. A lottery is drawn at random. What is the probability of getting a prize?

  2. A.

    \( \frac { 1 } { 10 } \)

    B.

    \( \frac { 2 } {5} \)

    C.

    \( \frac { 2 } {7} \)

    D.

    \( \frac { 5 } {7} \)

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    Answer : Option C

    Explanation :

    p (getting a prize) = \(\frac { 10 } { (10+25) } \)\(\frac { 10 } {35 } \) =\( \frac { 2 } {7} \)


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