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Use the sample information x = 36, σ = 7, n = 17 to calculate the...

Use the sample information x = 36, σ = 7, n = 17 to calculate the following confidence intervals for μ 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.

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