MathematicsHow many babies weigh more than 2.8 kg in the following weight distribution in kgs of newborn babies? 2.3, 2.2, 2.1, 2.7, 2.6, 3.0, 2.5, 2.9, 2.8, 3.1, 2.5, 2.8, 2.7, 2.9, 2.4

How many babies weigh more than 2.8 kg in the following weight distribution in kgs of newborn babies?


2.3, 2.2, 2.1, 2.7, 2.6, 3.0, 2.5, 2.9, 2.8, 3.1, 2.5, 2.8, 2.7, 2.9, 2.4


  1. A
    5
  2. B
    4
  3. C
    3
  4. D
    2 

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    Solution:

    Given data are,
    2.3, 2.2, 2.1, 2.7, 2.6, 3.0, 2.5, 2.9, 2.8, 3.1, 2.5, 2.8, 2.7, 2.9, 2.4 Compare the weight and arrange the weight in descending order. 3.1,3.0,2.9,2.9,2.8,2.8,2.7,2.7,2.6,2.5,2.5,2.4,2.3,2.2,2.1  
    We can see that there are 4 babies with weights 2.9 kg, 2.9 kg, 3.0 kg and 3.1 kg which weigh more than 2.8 kg.
    Thus, the number of babies having weight more than 2.8 kg are 4.
    Therefore, option 2 is correct.
     
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