D is the answer
Step by step equation:
Answer:
61 degrees
Step-by-step explanation:
The angle measure must be less than 90 degrees (4x+15) (10x-3) is 61 degrees
Answer: We are 95% confident that the mean income for all residents of this city is between $26700 and $35400.
Step-by-step explanation:
We know that a 95% confidence interval given an interval of values that we can be 95% sure , that it contains the true mean of the population, not 95% of data lies in it.
Given : A researcher is estimating the mean income of residents in a large city. The income variable is usually skewed to the right. She collects a random sample of 25 people.
The resulting 95% confidence interval is ($26700, $35400).
Then, valid conclusion will be : We are 95% confident that the mean income for all residents of this city is between $26700 and $35400.
The answer is below hope it helps.
Answer:
False
Step-by-step explanation:
(6+4)^2=100
or
6^2=36
4^2=16
6^2+4^2=36+16=52
so it is false
