Question Answered step-by-step QUESTION 1 Bapco Runs a number of petrol stations around Bahrain, they want to find out the average liters of petrol used by cars. A sample of 20 cars were surveyed, on average 58.91 liters was pumped per car with a standard deviation of 2.93 Find only the upper limit of the confidence interval with 95% confidence interval. (Write your answer in 2 decimal places)… Show more Math
