A Study of 95 Apple Trees Showed That the Average $495<\mu<555$

Multiple Choice

A study of 95 apple trees showed that the average number of apples per tree was 525 The standard deviation of the population is 200. Which of the following is the 80%
Confidence interval for the mean number of apples per tree for all trees?

A) $495<\mu<555$
B) $505<\mu<545$
C) $499<\mu<551$
D) $512<\mu<$