Help ASAP Please(Answered)
Among 320 randomly selected airline travelers, the mean number...
Mathematics, 06.05.2020 04:12 dm21930
Help ASAP Please(Answered)
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?
Remember:
90% confidence level = z-score of 1.645
Margin of error, ME, can be determined using the formula ,ME= Z*S/ square root of N
0.27< This was the answer for others who look at this problem
3.12
0.25
0.70
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