Not yet answered Questlon 25 Marked out of 3.00 The mean price of randomly selected 50 products in a grocery mall is computed as 525 pesos. The population variance is known to be 5.2. Find the 90% confidence interval for the mean of the entire Grade 11 students. [Write the Lower Confidence Limit. Use 2 decimals] Answer\". Answer . Not yet answered QueStIOI'I 25 Marked out of 2.00 The mean price of randomly selected 50 products in a grocery mall is computed as 525 pesos. The population variance is known to be 5.2. Find the 90% confidence interval for the mean of the entire Grade 11 students. [Write the Upper Confidence Limit. Use 2 decimals] Answer: Answer . Not yet answered Question 27 Marked out of 3.00 A ioumalist would like to report on the traffic-related tardiness incurred by employees in a certain city per year. To do this, he asked 25 employees and found out they were late for an average of 3.5 times a year due to trafc. The sample standard deviation is found to be 1.5 times. At a confidence level of 90%, determine the confidence interval that will estimate the population mean. [Write the Lower Confidence Limit. Use 2 decimals] Answen Answer . Not yet answered Question 28 Marked out of 2.00 A ioumalist would like to report on the traffic-related tardiness incurred by employees in a certain city per year. To do this. he asked 25 employees and found out they were late for an average of 8.5 times a year due to traffic. The sample standard deviation is found to be 1.5 times. At a confidence level of 90%, determine the confidence interval that will estimate the population mean. [Write the Upper Confidence Limit. Use 2 decimals]