the mean of 9,11,13,P is 7 then P=
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As we know
mean = 9+11+13+P/4
as mean is given
7 = 33+P/4
28-33= P
P= -5
happy to help
mean = 9+11+13+P/4
as mean is given
7 = 33+P/4
28-33= P
P= -5
happy to help
gunnu10:
u r wrong sum of 9,11,13 is 33
thnx for my correction.
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