9th Class Mathematics Statistics Question Bank Statistics

  • question_answer
    DIRECTIONS: The questions in this segment consists of two statements, one labelled as "Assertion A" and the other label led as "Reason R". You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion: The king, queen and jack of hearts are removed from a deck of 52 playing cards and well shuffled. One card is selected from the remaining cards. The probability of drawing a '10' of hearts is \[\frac{1}{49}.\] Reason: Number of cards remaining after the king, queen and jack of hearts have been removed is 49.

    A)  If both Assertion and Reason are correct and Reason is the correct explanation of Assertion.

    B)  If both Assertion and Reason are correct, but Reason is not the correct explanation of Assertion.

    C)           If Assertion is correct but Reason is incorrect.

    D)  If Assertion is incorrect but Reason is correct.

    Correct Answer: A

    Solution :

         Assertion and Reason, both are correct and Reason is correct reasoning for assertion. Assertion: P ('10' of hearts)\[=\frac{1}{49}\]because there is only one '10' of hearts.


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