By determining the amount of time it takes a component of product to move from one workstation to the next, an engineer has estimated that the standard deviation is 3.72 seconds.
Answer each of the following (show all work):
(A) How many measurements must be made in order to be 98% certain that maximum error of estimation will not exceed 0.5 seconds?
(B) What sample size is required for a maximum error of 1.0 seconds?