Question: Use the sample information x = 43, Q = 3, n =11 to calculate the following confidence intervals for U assuming the sample is from

Use the sample information x = 43, Q = 3, n =11 to calculate the following confidence intervals for U assuming the sample is from a normal population

(a) 90 percent confidence. (Round your answer to 4 decimal places.)

The 90% confidence interval is from ____________ to ___________

(b) 95 percent confidence. ( Round your answer to 4 decimal places.)

The 95% confidence interval is from ____________ to ___________

(c) 99 percent confidence. (Round your answer 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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