Answer:
b. 80
Step-by-step explanation:
Answer:
Systematic sampling
Step-by-step explanation:
An EPA contractor needing to test the concentration of a substance in ten samples out seventy samples provided form a single source at regular time intervals.
For the contractor to effectively carry out the testing he has to employ a Non-probability system of sampling which is called Systematic sampling, because in systematic sampling we can assume the population size (x ) which in this case is 70 and the sample size( n ) to be 10
He will have to select ; ( x / n )^th of the sampling frame for best results
Answer:
1 and 1/4 of a mile each week
Step-by-step explanation:
Hello!
2X + 4 = 14
X = 5
2 * 5 = 10
10 + 4 = 14
I hope this helps, and have a nice day!
Answer:
A =112 in^2
Step-by-step explanation:
The area of a parallelogram is found by
A = bh where b is the base length and h is the height
A = 14*8
A =112 in^2
