3. United airlines fares from Chicago to New York is as follows: Mon Tue Wed Thurs...

Question

Question

3. United airlines fares from Chicago to New York is as follows:

Mon Tue Wed Thurs Fri

250 225 275 325 200

Estimate the airfare at 80 % confidence either on American airlines or for the united airlines for the coming weeks.

Margin of error (ME) is = ±( Z σ/√n) Z is the level of confidence σ is the population standard deviation. n is the sample size

Answer 1

Answer #1

Answer 2