Question: Refer to the data on the girth, in centimeters, of grizzly bears in Table D.6 of the Data Bank. A computer calculation gives (a) Does

Refer to the data on the girth, in centimeters, of grizzly bears in Table D.6 of the Data Bank. A computer calculation gives

(a) Does the 95% confidence interval cover the true mean girth of all grizzly bears in the area of the study? Explain.
(b) Why are you 95% confident that the interval (87.93, 98.86) covers the true mean?

One-Sample Z: Girth Variable N Mean StDev 95.0% CI Girth 61 93.3921.79 87.93, 98.86)

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