Question: Item 4 5 points eBook Ask Print References Check my work Check My Work button is now disabled Item4 Use the sample information x x

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Item4

Use the sample information

x

x

= 37,= 5,n= 15 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 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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