STATISTICS F/BUSINESS+ECONOMICS-TEXT
STATISTICS F/BUSINESS+ECONOMICS-TEXT
13th Edition
ISBN: 9781305881884
Author: Anderson
Publisher: CENGAGE L
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Chapter 7, Problem 45SE

Allegiant Airlines charges a mean base fare of $89. In addition, the airline charges for making a reservation on its website, checking bags, and inflight beverages. These additional charges average $39 per passenger (Bloomberg Businessweek, October 8–14, 2012). Suppose a random sample of 60 passengers is taken to determine the total cost of their flight on Allegiant Airlines. The population standard deviation of total flight cost is known to be $40.

  1. a. What is the population mean cost per flight?
  2. b. What is the probability the sample mean will be within $10 of the population mean cost per flight?
  3. c. What is the probability the sample mean will be within $5 of the population mean cost per flight?
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Chapter 7 Solutions

STATISTICS F/BUSINESS+ECONOMICS-TEXT

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