Caffeine is considered the most commonly used psychoactive drug in the world. It is estimated that the average daily caffeine consumption among 120 surveyed randomly selected Filipinos is about 280 mg per day with a standard deviation of 10 mg. Construct a 90% confidence interval for the true mean daily caffeine consumption of Filipinos. Interpret the results.
Caffeine is considered the most commonly used psychoactive drug in the world. It is estimated that the average daily caffeine consumption among 120 surveyed randomly selected Filipinos is about 280 mg per day with a standard deviation of 10 mg. Construct a 90% confidence interval for the true mean daily caffeine consumption of Filipinos. Interpret the results.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 7PPS
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Caffeine is considered the most commonly used psychoactive drug in the world. It is
estimated that the average daily caffeine consumption among 120 surveyed randomly
selected Filipinos is about 280 mg per day with a standard deviation of 10 mg. Construct a
90% confidence interval for the true mean daily caffeine consumption of Filipinos. Interpret
the results.
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