0
it would be with a level of significance of 0.15.
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∙ 13y ago
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What would happen to the width of the confidence interval if the level of confidence is lowered from 95 percent to 90 percent?
decrease
How do you produce a new confidence interval with a larger width?
Increase your percent confidence to provide an increased width.
Why confidence interval useful?
Why confidence interval is useful
Is it possible to have 100 percent confidence interval?
Yes. Simply make sure that the interval is greater than or equal to the range of the random variable.
99 percent confidence interval Population mean 24.4 to 38.0 find the mean sample?
if the confidence interval is 24.4 to 38.0 than the average is the exact middle: 31.2, and the margin of error is 6.8
Is a 95 percent confidence interval for a mean wider than a 99 percent confidence interval?
No, it is not. A 99% confidence interval would be wider. Best regards, NS
What is the Z value for 91 percent confidence interval estimation?
The Z-value for a one-sided 91% confidence interval is 1.34
What would happen to the width of the confidence interval if the level of confidence is lowered from 95 percent to 90 percent?
decrease
Difference between 95 percent and 99 percent confidence interval?
4.04%
What does a 95 percent confidence interval tell you about the population proportion?
There is a 95% probability that the true population proportion lies within the confidence interval.
What is z value for 90 percent confidence interval?
For a two-tailed interval, they are -1.645 to 1.645
When the sample size and sample standard deviation remain the same a 99 percent confidence interval for a population mean will be narrower than the 95 percent confidence interval for the mean?
Never!
What is the z value for 75 percent confidence interval estimation?
1.15
What is the Z value for 95 percent confidence interval estimation?
1.96
What is the Z value for 99 percent confidence interval estimation?
ss
How do you produce a new confidence interval with a larger width?
Increase your percent confidence to provide an increased width.
Why confidence interval useful?
Why confidence interval is useful
