Answer:
200.96 inches^2
Step-by-step explanation:
Area= pi*radius ^2=pi*8^2=64*pi=64*3.14=200.96 inches^2
Answer:
A recent study shows that about 43% of medical doctors have a solo practice with a margin of error of 4.6 percentage points.
Step-by-step explanation:
Given that a random sample of 311 medical doctors showed that 135 had a solo practice.
Sample proportion = 0.43
Std error of sample proportion =
Margin of error 90%
Margin of error in percent = 4.6%
Hence correction option is:
A recent study shows that about 43% of medical doctors have a solo practice with a margin of error of 4.6 percentage points.
Answer:
i need the formulas
Step-by-step explanation: