Question 1, 7 HW Score: 0%, 0 of 10 points Part 2 of 2 O Points: 0 of 1 Save In a clinical trial of 263 subjects treated with a drug, 13% of the subjects reported dizziness. The margin of error is + 4 percentage points. What values do p, q, n, E, and p represent? If the confidence level is 99%, what is the value of a? The value of p is the sample proportion. The value of q is found from evaluating 1 - p. The value of n is the sample size. The value of E is the margin of error. The value of p is the population proportion. If the confidence level is 99%, what is the value of a? a = (Type an integer or a decimal. Do not round.)