Each year, Hudson's Bay Company sets up a gift-wrapping station to assist its customers with holiday shopping. Preliminatry observations of one worker at the station produced the following sample time ( in minutes per package): 3.8 3.2 3.4 3.3 3.3 Based on this small sample, what number of observations would be necessary to determine the true cycle time with a 95% confidence level and an accurace of 5%? x bar = Round to 2 decimal places (except n = whole numbers) Round to 2 decimal places (if the ans. Is 0.276432 put 0.28) St Dev= n =