Answer: 95% confidence interval would be (0.555,0.745).
Step-by-step explanation:
Since we have given that
n = 97
x = 63
So, we get that

At 95% confidence interval , z = 1.96
so, Margin of error would be

So, interval would be

Hence, 95% confidence interval would be (0.555,0.745).
Answer:
Center: 
Radius: 
Step-by-step explanation:
-According to the following equation, the center would be
, because the center is known as
from the equation of a circle. To find the radius, you would only need to square root the simplified radius from the following the equation and you would get the radius 15:
The equation of a circle:

The following equation:

Center:
Radius: 
Answer:
1, 2, and 6
Step-by-step explanation:
5*.25=1.25 7*.25=1.75 12*.25=3
Answer:
640
Step-by-step explanation:
Answer:
28
Step-by-step explanation: