Question
Sun August 17, 2008 By: Shankar Krishna

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Expert Reply
Mon August 18, 2008

f = 6+8+5+p+9+5  ==33+p

  f x = 72 +104 +70 + 15p + 144 +85  == 475 + 15p

  mean == 475 +15p / 33 +p == 14.5

  solving , 475 + 15p = 14.5 ( 33 +p)

                    p  ==7

 

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