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To see if young men ages 8-17 spend per month more or less than the national average of $24.44 to purchase illegal drugs, the manager surveyed 33 young men and found the average amount spent per month for illegal drugs was $22.97. The standard deviation of the sample was $3.70. At a = 0.02, can it be concluded that the average amount spent per month for illegal drugs is not equal to the national average of $24.44?

To see if young men ages 8-17 spend per month more or less than the national average of $24.44 to purchase illegal drugs, the manager surveyed 33 young men and found the average amount spent per month for illegal drugs was $22.97. The standard deviation of the sample was $3.70. At a = 0.02, can it be concluded that the average amount spent per month for illegal drugs is not equal to the national average of $24.44?

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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Answer  the question. Show all the steps, not only the final answer. if possible, sketch a little diagram to clearly see the area under the normal curve

3. 

To see if young men ages 8-17 spend per month more or less than the national average of $24.44 to purchase illegal drugs, the manager surveyed 33 young men and found the average amount spent per month for illegal drugs was $22.97. The standard deviation of the sample was $3.70. At α = 0.02, can it be concluded that the average amount spent per month for illegal drugs is not equal to the national average of $24.44?

 

3. To see if young men ages 8-17 spend per month more or less than the national average of $24.44 to purchase illegal drugs, the manager surveyed 33 young men and found the average amount spent per month for illegal drugs was $22.97. The standard deviation of the sample was $3.70. At a = 0.02, can it be concluded that the average amount spent per month for illegal drugs is not equal to the national average of $24.44?
Transcribed Image Text:3. To see if young men ages 8-17 spend per month more or less than the national average of $24.44 to purchase illegal drugs, the manager surveyed 33 young men and found the average amount spent per month for illegal drugs was $22.97. The standard deviation of the sample was $3.70. At a = 0.02, can it be concluded that the average amount spent per month for illegal drugs is not equal to the national average of $24.44?
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