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A tourist agency in Manila claims the mean daily cost of meals and lodging for a family of 4 traveling in Korea is at most 655 dollars with a standard deviation of 40 dollars. You work for a consumer protection advocate and want to test this claim. In a random of 56 families of 4 traveling in Korea, the mean daily cost of meals and lodging is 667 dollars. At alpha=1%, do you have enough evidence to reject the tourist agency claim?

A tourist agency in Manila claims the mean daily cost of meals and lodging for a family of 4 traveling in Korea is at most 655 dollars with a standard deviation of 40 dollars. You work for a consumer protection advocate and want to test this claim. In a random of 56 families of 4 traveling in Korea, the mean daily cost of meals and lodging is 667 dollars. At alpha=1%, do you have enough evidence to reject the tourist agency claim?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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A tourist agency in Manila claims the mean daily cost of meals and lodging for a family of 4 traveling in Korea is at most 655 dollars with a standard deviation of 40 dollars. You work for a consumer protection advocate and want to test this claim. In a random of 56 families of 4 traveling in Korea, the mean daily cost of meals and lodging is 667 dollars. At alpha=1%, do you have enough evidence to reject the tourist agency claim?
Transcribed Image Text:A tourist agency in Manila claims the mean daily cost of meals and lodging for a family of 4 traveling in Korea is at most 655 dollars with a standard deviation of 40 dollars. You work for a consumer protection advocate and want to test this claim. In a random of 56 families of 4 traveling in Korea, the mean daily cost of meals and lodging is 667 dollars. At alpha=1%, do you have enough evidence to reject the tourist agency claim?
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