The monthly revenues for the 40 locations was summarized below: What is the probability that a random location report a monthly revenue $649 th or less? (6+11)/40=.4256/40=.15(6+11+6)/40=.5756+11+6/40=17.15 What sample size would you use if you need a 95% confidence interval with a margin of error of no more than 200 sqft? Use a planning standard deviation of 1176.7sqft. 132 or less 133 or more 230 or more 229 or less