The quality department of an electronics manufacturer randomly selected 100 resistors. The mean resistance of the resistors was 201.5O and the standard deviation was .4O. Find the 98% confidence interval for this problem.
(A) 201.5+/-.093
(B) 201.5+/-.125
(C) 201.5+/-.133
(D) 201.5+/-.155
(E) 201.5+/-.212
Answer: A