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9th Class Mathematics Probability Question Bank Probability

  • question_answer
    Direction:  Two coins are tossed simultaneously 80 times and data is recorded in the table given.       
    Number of head in a trial 0 1 2
    Frequency 20 35 25
    What is the probability of getting two heads?

    A)  \[\frac{1}{4}\]                                  

    B)         \[\frac{1}{3}\]                  

    C)         \[\frac{7}{16}\]                               

    D)         \[\frac{5}{16}\]

    Correct Answer: D

    Solution :

    No. of coins tossed = 2 No. of times coins are tossed =80 From the data given, the probability of getting two heads \[=\frac{25}{8}=\frac{5}{16}\]


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