Posted by **Peter** on Wednesday, January 21, 2009 at 1:08pm.

A certain geyser was determined to have eruptions with a Mean duration of 3.31 min and a standard deviation of 1.04 min. A sample of n=43 eruptions were recorded. Using Chebychev's Theorem, how many of the eruptions lasted between 1.23 min and 5.39 min.

there both 3 sd's away but i have no clue how to do this

## Answer this Question

## Related Questions

- Statistics - Data collected on volcanic eruptions give a mean time between ...
- Statistics-Probability - Data collected on volcanic eruptions give a mean time ...
- Statistics-Probability - Data collected on volcanic eruptions give a mean time ...
- Math-Probability - Data collected on volcanic eruptions give a mean time between...
- statistics - Mean time 79 min Standard deviation 8 min what is the probability ...
- statistics - Can you please tell me how to solve for the following? Pedro took ...
- statistics - The U.S. Geological Survey compiled historical data about Old ...
- math - The Russian mathmatician Pafnuti L. Chebychev pved a remarkable theorem ...
- MATH!! - TO be on the 1-km race team, Celia must have a mean time less than 5 ...
- Statistics - data from sample of 400 cases, variable has 95% confidence interval...