A random sample of 16 roundtrip flights between Philadelphia and Dallas has an average airfare of $422.10 with a sample standard deviation of $56.30. The 98% confidence interval around this sample mean is ________
A) ($415.06, $429.14)
B) ($400.99, $443.21)
C) ($365.80, $478.40)
D) ($385.48, $458.72)
D
You might also like to view...
Who licenses CPAs?
a. The PCAOB. b. The AICPA. c. The State Boards of Accountancy. d. The SEC.
Discuss the three environments in which an international company operates.
What will be an ideal response?
In a contract between merchants, additional terms in the parties' separate standard forms always automatically become part of the contract.
Answer the following statement true (T) or false (F)
Teresa Matthews, ad campaign manager for Coca-Cola, is making final changes to the content of an ad's message. She is talking with network distribution companies about when the ad will air, and she is discussing expected effects of the ad on consumers with commercial artists. Thus, she is in which stage of the ad campaign development process?
A. Development of the media plan. B. Creation of the advertising message. C. Evaluation of the advertising's effectiveness. D. Analysis of the advertising target audience. E. Execution of the campaign.