Answer:
Step-by-step explanation:
The question is not biased. It doesn't push the participants to answer one way or another.
However, the sample is biased. It does not represent the population.
The first and fourth options are correct.
The answer to this problem “12 = 15(z-1/5) is : Z = 1
Answer:
Step-by-step explanation:
-1, 3
