Answer:
D
Step-by-step explanation:
Answer:
x = 110° (vertically opposite angel)
The area of the sector that has a central angle of 120 degrees and radius of 8 units is 64π / 3 units²
<h3>Area of a sector</h3>
The area of a sector is defined as follows:
area = ∅ / 360 × πr²
where
- r = radius
- ∅ = central angle
Therefore,
r = 8
∅ = 120°
Hence,
area of the sector = 120 / 360 × π × 8²
area of the sector = 1 / 3 × π × 64
area of the sector = 64π / 3 units²
learn more on area here: brainly.com/question/12655272
Answer:
19.5
Step-by-step explanation:
use long division if a calculator is not allowed.
Answer:
If the confidence level is increased from 90% to 99% for an SRS of size n , the width of the confidence interval for the mean μ will <u>increase</u>.
Step-by-step explanation:
We have been given an incomplete statement. We are supposed to complete the given statement.
If the confidence level is increased from 90% to 99% for an SRS of size n , the width of the confidence interval for the mean μ will:
We know that when confidence level decreases from a value to a lower value, then the confidence interval for the mean decreases.
When confidence level increases from a value to a higher value, then the confidence interval for the mean increases.
When we will increase the confidence level from 90% to 99%, the width of the confidence interval for the mean will also increase, so it will become wider.
Therefore, the correct word for our given statement is increase.