Among 320 randomly selected airline travelers, the mean number of hours spent travelling per year is 24 hours and the standard deviation is 2.9. What is the margin of error, assuming a 90% confidence level? Round your answer to the nearest tenth. 0.01
Accepted Solution
A:
Round your answer to the nearest tenth.. Answer= 0.3
The Margin of error for a 95% confidence level will be .. Answer= greater than 0.3