Answer:
X=20
Step-by-step explanation:
20-x; -20+x; -20-x; 20+x
|14-x+6|
|20-x|
BC=AD
3x-1=x+5
3x-x=5+1
2x=6
x=3
BC=3×3-1=8
CD=2x=2×3=6
perimeter=2(8+6)=2(14)=28
- The sample size is 64.
- The point estimate of the population proportion is 0.625.
-The margin of error is approximately 16%.