# Chebyshev's theorem - standard deviation

Not what you're looking for?

A scientific calculator operates on the average 5.3 hour before needing a recharge. According to Chebyshev's theorem, if the operating times have a standard deviation of 0.6 hour.

A. Between what 2 values will at least 75% of the operating times fall?

B. At least what percentage of the operating times will fall in the interval from 3.5 to 7.1 hours?

##### Purchase this Solution

##### Solution Summary

The solution addresses the fact that a scientific calculator operates on the average 5.3 hour before needing a recharge. According to Chebyshev's theorem, if the operating times have a standard deviation of 0.6 hour.

A. Between what 2 values will at least 75% of the operating times fall?

B. At least what percentage of the operating times will fall in the interval from 3.5 to 7.1 hours?

##### Solution Preview

Please see attachment

Problem:

Chebyshev's theorem----standard deviation

A scientific calculator operates on the average 5.3 hour before needing a recharge. According to Chebyshev's theorem, if the operating times have a standard deviation of 0.6 hour.

A. Between whAT 2 VALUES WILL AT LEAST 75% OF THE OPERATING TIMES FALL?

B. AT LEAST WHAT PERCENTAGE OF THE OPERATING TIMES WILL FALL IN THE INTERVAL FROM ...

##### Purchase this Solution

##### Free BrainMass Quizzes

##### Know Your Statistical Concepts

Each question is a choice-summary multiple choice question that presents you with a statistical concept and then 4 numbered statements. You must decide which (if any) of the numbered statements is/are true as they relate to the statistical concept.

##### Measures of Central Tendency

This quiz evaluates the students understanding of the measures of central tendency seen in statistics. This quiz is specifically designed to incorporate the measures of central tendency as they relate to psychological research.

##### Terms and Definitions for Statistics

This quiz covers basic terms and definitions of statistics.

##### Measures of Central Tendency

Tests knowledge of the three main measures of central tendency, including some simple calculation questions.