The First 10 Final Exams Turned in for a Particular

Multiple Choice

The first 10 final exams turned in for a particular class are classified as either pass (earned a grade of "C" or higher) or fail (earned a grade lower than "C") .The sequence of exam submission and the results are shown here: ​ ​
A runs test with α = 0.05 is used to determine whether there is any evidence that the order in which the exams were submitted was not random.What is the alternative hypothesis in this case?

A) The statistics will conform that the distribution is random.
B) The distribution can be modeled as a normal curve.
C) There is not alternative hypothesis; there are too few data points to analyze correctly.
D) The distribution is not random.