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Item4

Use the sample information

x

x

= 36,= 7,n= 17 to calculate the following confidence intervals forassuming the sample is from a normal population.

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

The 90% confidence interval is fromto

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

The 95% confidence interval is fromto

(c)99 percent confidence.(Round your answers to 4 decimal places.)

The 99% confidence interval is fromto