Answer:
hope I will and you do to
Answer:
The first sampling method is Convenient Sampling. It is biased sampling and it is not representative of a random sample.
The second sampling method is Systematic Sampling. If this method of sampling is drawn from the population, it is an efficiently randomized sampling method.
Let us review the given answers.
1. Both samples should be exactly the same.
INCORRECT
2. Neither sample will be representative.
Because the second sampling method can be random, this answer is
INCORRECT.
3. The first sampling method, ..., is the most representative,
INCORRECT
4. The second sampling method, ..., is the most representative.
CORRECT
Step-by-step explanation:
Hope that helps
Answer:
The value of n is 
Step-by-step explanation:
we know that
1 m=100 cm
step 1
Convert 2.5 m to cm
2.5 m=2.5*100=250 cm
step 2
Find the ratio

Divide by 25 both numerator and denominator

therefore
The value of n is 
It will take approx.65 of caffeine remaining after 6 hours
For the month he needs 5classes*10dollars= 50dollars
50dollars from classes +salary per month which is 50dollars=100dollars