Write a statement that correctly interprets the confidence interval. choose the correct answer below.
a. one has 99% confidence that the sample proportion is equal to the population proportion.
b. there is a 99% chance that the true value of the population proportion will fall between the lower bound and the upper bound.
c. one has 99% confidence that the interval from the lower bound to the upper bound actually does contain the true value of the population proportion.
d. 99% of sample proportions will fall between the lower bound and the upper bound.