Question 1 An investigator wants to check whether the mean average weight of passenger flying on a commercial flight to Dubai whether it exceeds the safety level or not. An appropriate method that the officer will perform is: Select the correct answer: Hypothesis testing of population mean (one sample) O Estimation of population mean O Hypothesis testing of population mean (independent sample) O Estimation of population proportion Question 2 An investigator wants to estimate the mean average weight of passenger flying on a commercial flight to Dubai from the sampling data. An appropriate method that the officer will perform is: Select the correct answer: Hypothesis testing of population mean (one sample) Hypothesis testing of population mean (independent sample) O Estimation of population mean O Estimation of population proportion