to see whether the average satisfaction in website is lower than 3 in order to change the feature of website. Using 5% significance level
To see whether the average of time spent booking online should not higher than 60 minutes in order to motivate the elderly person booking online. Using 1% significance level
To see whether the percentage of preferring continue booking online next time is at least 70% in order to provide the new promotion to motivate them return booking online. Using 5% significance level
To see whether the percentage of preferring to give review and share the comment should not less than 60% in order to adapt the company strategy. The company's strategy will be