Find the Degree of Confidence Used in Constructing the Confidence $0.523 < p < 0.669$

Multiple Choice

Find the degree of confidence used in constructing the confidence interval $0.523 < p < 0.669$ for the population proportion $p$ using sample data with $n = 109 , x = 65$ .

A) $88 \%$
B) $90 \%$
C) $95 \%$
D) $99 \%$