A research firm conducted a survey to determine the average amount of money consistent smokers spend on cigarettes during a given week. A sample of 81 consistent smokers revealed that the sample mean is $20. The population standard deviation is $3. What is the probability that a sample of 81 consistent smokers spend between $19.50 and $20.50?
A research firm conducted a survey to determine the average amount of money consistent smokers spend on cigarettes during a given week. A sample of 81 consistent smokers revealed that the sample mean is $20. The population standard deviation is $3. What is the probability that a sample of 81 consistent smokers spend between $19.50 and $20.50?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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A research firm conducted a survey to determine the average amount of money consistent smokers spend on cigarettes during a given week. A sample of 81 consistent smokers revealed that the sample mean is $20. The population standard deviation is $3. What is the probability that a sample of 81 consistent smokers spend between $19.50 and $20.50?
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