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10. Calculate the interval. Write the formula with the correct values inserted. * I ME (0.4162 11. Interpret the interval in the context of the problem.

10. Calculate the interval. Write the formula with the correct values inserted. * I ME (0.4162 11. Interpret the interval in the context of the problem.

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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Help with 10 and 11 please!
* Questions 7-11: Use the following scenario to answer the questions that follow. The U.S. Centers for Disease Control conducts the National Youth Tobacco Survey each year. The preliminary results of 2019 show that e-cigarette use is up among US teens while cigarette use is down. In a sample of 1600 teens, 120 reported smoking a cigarette in the last 30 days. Estimate at 95% confidence the proportion of all US teens who smoke cigarettes. 7. Find the value of z or t, whichever is appropriate. Sketch the appropriate bell curve. 211.96 -025 991- -1-96 1.96 8. Calculate the standard error. Write the formula with the correct values inserted. SE=√(1-P) 120 = 0.075 SE=0.0066 n SE= √(1-6) 0.075 (1-0.075 1600 9. Calculate the margin of error. Write the formula with the correct values inserted. 2 X SE 1.96 X 0.0066 0.012936 10. Calculate the interval. Write the formula with the correct values inserted. (0.0162, 1600 * 11. Interpret the interval in the context of the problem. 0.00724
Transcribed Image Text:* Questions 7-11: Use the following scenario to answer the questions that follow. The U.S. Centers for Disease Control conducts the National Youth Tobacco Survey each year. The preliminary results of 2019 show that e-cigarette use is up among US teens while cigarette use is down. In a sample of 1600 teens, 120 reported smoking a cigarette in the last 30 days. Estimate at 95% confidence the proportion of all US teens who smoke cigarettes. 7. Find the value of z or t, whichever is appropriate. Sketch the appropriate bell curve. 211.96 -025 991- -1-96 1.96 8. Calculate the standard error. Write the formula with the correct values inserted. SE=√(1-P) 120 = 0.075 SE=0.0066 n SE= √(1-6) 0.075 (1-0.075 1600 9. Calculate the margin of error. Write the formula with the correct values inserted. 2 X SE 1.96 X 0.0066 0.012936 10. Calculate the interval. Write the formula with the correct values inserted. (0.0162, 1600 * 11. Interpret the interval in the context of the problem. 0.00724
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