The times for a group of students to complete the physical fitness obstacle course result in a

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The times for a group of students to complete the physical fitness obstacle course result in a bell-shaped curve. The mean time to finish was 21 minutes with a standard deviation of 4 minutes. Use the Empirical Rules to find:

(a) the percent that took longer than 21 minutes.

(b) the percent that took less than 21 minutes.

(d) What interval of time captured almost all, 99.7%, of the times?

Related Book For answer-question

Statistics The Exploration & Analysis Of Data

ISBN: 9780840058010

7th Edition

Authors: Roxy Peck, Jay L. Devore

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Posted Date: Mar 17, 2024 11:03 AM

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The times for a group of students to complete the physical fitness obstacle course result in a

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Statistics The Exploration & Analysis Of Data

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