Answer:
The correct answer is - No, he is being skeptical.
Explanation:
In the case of clinical research or research study, there is generally include a large sample size during the experiment. This helps in being sure about the reliability of the experiment and the study.
According to the question, Jamie is not sure about the new medication that will work because the test sample group is small. Thus this will lead to skepticism as the results are uncertain.
Thus, the correct answer is - No, he is being skeptical.