If I am understanding the question, and assuming the living room is a rectangle, then the border should be 80 ft
99.7%
This is because the likelihood of a point being within 2 SDs of the mean is 99.7%.
The variance for the data is 17,507. 5.
Given
The weekly salaries of a sample of employees at the local bank are given in the table below.
Employee Weekly Salary Anja $245 Raz $300 Natalie $325 Mic $465 Paul $100.
<h3>Variance</h3>
Variance is the expected value of the squared variation of a random variable from its mean value, in probability and statistics.
The mean value of the salaries of employees is;

The variance is given by;

Hence, the variance for the data is 17,507. 5.
To know more about variance click the link given below.
brainly.com/question/7635845
X+4x = 180
5x = 180
x =180/5
x = 36
answer
D. 36
Answer:
7)141
8)65
Step-by-step explanation: