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MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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4.98 HOTELS' USE OF ECOLABELS. Refer to the Journal of Vacation Marketing (January 2016) study of travelers' familiarity with ecolabels used by hotels, Exercise 2.64 (p. 79). Recall that adult travelers were shown a list of 6 different ecolabels, and asked, "How familiar are you with this ecolabel, on a scale of 1 (not familiar at all) to 5 (very familiar)." The mean and standard deviation of the responses for the Energy Star ecolabel are 4.44 and .82, respectively. Assume the distribution of the responses is approximately normally distributed. a. Find the probability that a response to Energy Star exceeds 4. b. Find the probability that a response to Energy Star falls between 2 and 4. NW c. If you observe a response of 1 to an ecolabel, do you think it is likely that the ecolabel shown was Energy Star? Explain.
Transcribed Image Text:4.98 HOTELS' USE OF ECOLABELS. Refer to the Journal of Vacation Marketing (January 2016) study of travelers' familiarity with ecolabels used by hotels, Exercise 2.64 (p. 79). Recall that adult travelers were shown a list of 6 different ecolabels, and asked, "How familiar are you with this ecolabel, on a scale of 1 (not familiar at all) to 5 (very familiar)." The mean and standard deviation of the responses for the Energy Star ecolabel are 4.44 and .82, respectively. Assume the distribution of the responses is approximately normally distributed. a. Find the probability that a response to Energy Star exceeds 4. b. Find the probability that a response to Energy Star falls between 2 and 4. NW c. If you observe a response of 1 to an ecolabel, do you think it is likely that the ecolabel shown was Energy Star? Explain.
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