Answer:
110.526316
Step-by-step explanation:
hope it helps
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:
the measure of ∠1 is 92 degrees
Step-by-step explanation:
(17.5)(x)=125
Divide each side by 17.5 leaving the equation as x=7.14
