A random sample of air travelers were surveyed and a 95% confidence interval for the average arrival time before departure for all air travelers was calculated to be (98 minutes, 110 minutes). For each of the 3 questions, select the appropriate answer of Yes, No, or Can't Tell. 1. Is the resulting sample mean (x) arrival time in the interval (98 minutes, 110 minutes)? [ Select ] 2. Is 12 minutes the margin of error for this 95% confidence interval? [ Select ] 3. Suppose that a 98% confidence interval is made using the same data. Would the 98% confidence interval be narrower than the original 95% confidence interval v [ Select ] No Yes Can't Tell

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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2. Answer question 3

A random sample of air travelers were surveyed and a 95%
confidence interval for the average arrival time before departure for
all air travelers was calculated to be (98 minutes, 110 minutes).
For each of the 3 questions, select the appropriate answer of Yes, No,
or Can't Tell.
1. Is the resulting sample mean (x) arrival time in the interval (98
minutes, 110 minutes)? [ Select ]
2. Is 12 minutes the margin of error for this 95% confidence
interval? [ Select ]
3. Suppose that a 98% confidence interval is made using the same
data. Would the 98% confidence interval be narrower than the
original 95% confidence interval v [ Select ]
No
Yes
Can't Tell
Transcribed Image Text:A random sample of air travelers were surveyed and a 95% confidence interval for the average arrival time before departure for all air travelers was calculated to be (98 minutes, 110 minutes). For each of the 3 questions, select the appropriate answer of Yes, No, or Can't Tell. 1. Is the resulting sample mean (x) arrival time in the interval (98 minutes, 110 minutes)? [ Select ] 2. Is 12 minutes the margin of error for this 95% confidence interval? [ Select ] 3. Suppose that a 98% confidence interval is made using the same data. Would the 98% confidence interval be narrower than the original 95% confidence interval v [ Select ] No Yes Can't Tell
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