Use the following level of confidence and sample data to construct a confidence interval for the population proportion p: n= 130, x=65, confidence level = 90%.

Select one:

a.0.420 < p < 0.578b. 0.372 < p < 0.628c. 0.490 < p < 0.634d. 0.420 < p < 0.564e.0.428 < p < 0.572