Answer:
$220
Step-by-step explanation:
5*22=110
110*2=
220
Answer:
-78.12
Step-by-step explanation:
The answer to the first part is (4,1).
The answer to the second part is (11,2).
Answer: I think is B or A
Step-by-step explanation:
First, find the mean. You'll need it to compute the variance.

The variance of the sample is then computed with the formula

The standard deviation is the square root of the variance, so