Assignment:
An interviewer has been told to randomly select respondents and to include x whether or not they are a college graduate among the data recorded. The categories of the first 30 persons interviewed, with G = college graduate and N = nongraduate, are shown in the sequence below. At the 0.10 level, evaluate the randomness of the sequence.
GNGNGNNGNGGNNNG
NGGNNGNNGGNGNNG
Provide complete and step by step solution for the question and show calculations and use formulas.