A study was conducted to investigate adults in Chicago, USA in 2020. The study wanted to investigate if learning ability could be affected by different environmental conditions at the "Smell and Taste Treatment and Research Foundation". 200 randomly selected people from Chicago in 2020 worked through one set of pencil and paper maze and the times taken were recorded. (C) Is the sample a representative sample of the target population? [1 mark] 0 a. No, the sample is not a representative sample of the target population. 0 b. No, since it is given that the sample is random, it is not guaranteed that it is a representative sample of the target population 0 c. No, it is not given that the sample is random hence, it is not representative. 0 d. Yes, since it is given that the sample is random, it is guaranteed that it is a representative sample of the target population