Answer:
Yikes I don't understand it one bit
The answer to your question is 48-x
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:
6.48
Step-by-step explanation:
Evaluate the parenthesis then divide, that is
2 - 0.705 = 1.295, then
1.295 ÷
= 1.295 × 5 = 6.475 ≈ 6.48 ( to 2 dec. places )