No. This is not random sampling as the students chose are not chosen at random. Random sampling would be something done where each sample has equal probability of being chosen. Clearly this is not random sampling.
Answer:
22/3
Step-by-step explanation:

B I think but wait for other people to answer
Answer:
B
Step-by-step explanation:
0.88 divided by 84.48 is 0.0104.....