Question: Use the sample information x = 36, = 6, n = 11 to calculate the following confidence intervals for assuming the sample is from a
Use the sample information
x= 36,= 6,n= 11 to calculate the following confidence intervals for assuming the sample is from a normal population.
(a)90 percent confidence.(Round your answers to 4 decimal places.)
The 90% confidence interval is from?to?
(b)95 percent confidence.(Round your answers to 4 decimal places.)
The 95% confidence interval is from?to?
(c)99 percent confidence.(Round your answers to 4 decimal places.)
The 99% confidence interval is from? to?
(d)Describe how the intervals change as you increase the confidence level.
- The interval gets narrower as the confidence level increases.
- The interval gets wider as the confidence level decreases.
- The interval gets wider as the confidence level increases.
- The interval stays the same as the confidence level increases.
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