if arithmetic mean of 4,8,9,11,pand 15 is 9 find the value of p
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Answer:
7
Step-by-step explanation:
Find the sum of the 6 numbers:
Mean = 9
Sum = 9 x 6 = 54
Find the value of p
4 + 8 + 9 + 11 + p + 15 = 54
47 + p = 54
p = 7
Answer: The value of p is 7
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