It was located in Canberra
The top 15% (85th percentile) is the cutoff value

such that

where

is the corresponding cutoff for the standardized normal distribution. We have

, and so
1) a = 2, b= 3, c=2,
2) x^2 -2x-4 (a = 1, b=-2, c =-4)
3) x^2+x+3 (a,b = 1, c = 3)
4) 7x^2+8x-4 (a=7, b=8, c=-4)
Answer:
378
Step-by-step explanation:
300
70
8
+-------
378
Answer:
About 15.3%!
Step-by-step explanation:
ill explain in comments, i hope this helps you out