se the sample information x¯x¯ = 36, σ = 6, n = 11 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

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