Answer: Yes they are
Step-by-step explanation:
Answer:
62.8 in
Step-by-step explanation:
formula to find surface area of cylinder = 2πrh + 2πr²
2 × 3.14 × 2 × 3 + 2 × 3.14 × 2²
37.68 + 25.12
62.8 in
Answer:
The interpretation is that we are 90% sure that the true average salary of the district is in this interval.
Step-by-step explanation:
x% confidence interval:
A confidence interval is built from a sample, has bounds a and b, and has a confidence level of x%. It means that we are x% confident that the population mean is between a and b.
In this question:
The 90% confidence interval for the average salary of the district is [41500,49750].
This means that we are 90% sure that the true average salary of the district is in this interval.
Answer:
What type of line the picture represent
