10th Class Mathematics Statistics Question Bank Statistics and Probability

  • question_answer
    Directions: In a game, the entry fee is Rs. 20. In the game, a coin is tossed 3 times. On showing two tails, swapnesh gets his entry fee back. If he throws 3 tails, he receives double the entry fees. Otherwise he will lose. If he tossed a coin three times, then ______
    Find the probability that, he gets double entry fee.

    A) \[\frac{3}{4}\]                                                              

    B)  \[\frac{1}{8}\]            

    C)  \[\frac{1}{2}\]                                                             

    D)  \[\frac{3}{8}\]

    E)  None of these

    Correct Answer: B


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