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A sample of recorded dog barks is analyzed for decibel intensity. The mean intensity is 62.25 ...

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A sample of recorded dog barks is analyzed for decibel intensity. The mean intensity is 62.25 ...

A sample of recorded dog barks is analyzed for decibel intensity. The mean intensity is 62.25 decibels, with a variance of 4.45. If this data set is normally distributed, we would expect approximately 95% of the barks to be within what range?

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(58.03, 66.47)

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(60.16, 64.36)

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(55.92, 66.47)

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(53.35, 71.15)

Textbook

Introductory Statistics: A Problem-Solving Approach

Edition: 3^rd

Author: Kokoska

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You make an excellent tutor!

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Correct

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