Wednesday
October 1, 2014

Homework Help: statistics

Posted by Lina on Sunday, August 2, 2009 at 5:51pm.

Please, give the formula and steps to do this problem. Thank you
The average length of a flight by regional airlines in the United States has been reported as 299 miles. If a simple random sample of 30 flights by regional airlines If The average length of a flight by regional airlines in the United States has been reported as 299 miles. If a simple random sample of 30 flights by regional airlines were to have ȭ = 413/6 miles and s= 42.8 miles, would this tend to cast doubt on the reported average of 299 miles? Use a two-tail test and the 0.05 level of significance in arriving at your answer

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

business statistics - The average length of a flight by regional airlines in the...
business statistics - The average length of a flight by regional airlines in the...
business statistics - The average length of a flight by regional airlines in the...
business statistics - The average length of a flight by regional airlines in the...
ECONOMICS !!!!! Help me *** - Fortune magazine reported that SkyWest, an ...
Economics - 7. Fortune magazine reported that SkyWest, an independent regional ...
managerial economics - Fortune magazine reported that SkyWest, an independent ...
Statistics PLEASE HELP ME! - The Wall Street Journal reported that automobile ...
statistics - The Wall Street Journal reported that automobile crashes cost the ...
college - Do some research into why the United States has been so slow to adopt ...

Search
Members