9th Class Mathematics Statistics Question Bank Statistics and Probability

  • question_answer
    Distance: Consider the mortality table given below:
    Age (in years) Number of persons surviving out of a sample of one million
    60 17384
    61 12560
    62 9008
    63 5980
    64 4050
    65 2730
    Based on above information answer the following questions:          
    The probability that a person 'aged 61' will die within a year is ________   
     

    A) \[\frac{9008}{12560}\]                                      

    B) \[\frac{222}{785}\]

    C) \[\frac{9008}{17384}\]                                                  

    D) \[\frac{3552}{9008}\]

    E) None of these

    Correct Answer: B


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