The Number of Successes and the Sample Size Are Given

Multiple Choice

The number of successes and the sample size are given for a simple random sample from a population. Use theone-proportion plus-four z-interval procedure to find the required confidence interval.
-n = 188, x = 157; 95% level

A) 0.786 to 0.870
B) 0.774 to 0.882
C) 0.785 to 0.871
D) 0.775 to 0.881