.The average length of a flight by regional airlines in the United States has been reported s464 miles. If a simple random sample of 30 flights by regional airlines were to have x = 79.6 miles and s = 42.8 miles, would this tend to cast doubt on the reported average of 64 miles? Use a two-tail test and the 0.05 level of significance in arriving at your answer.
.The average length of a flight by regional airlines in the United States has been reported s464 miles. If a simple random sample of 30 flights by regional airlines were to have x = 79.6 miles and s = 42.8 miles, would this tend to cast doubt on the reported average of 64 miles? Use a two-tail test and the 0.05 level of significance in arriving at your answer.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 14PPS
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