Posted by **Sam** on Sunday, November 1, 2009 at 9:30pm.

Among employed women, 25% have never been married. Select 10 employed women at random. What is the mean number of women in such a sample who have never been married? What is the standard deviation?

I think the mean would be 2.5, but I'm not sure about the standard deviation.

## Answer this Question

## Related Questions

- stats - if 60 % of all women are employed outside the home find the probability ...
- Math - According to the U.S. Census Bureau's most recent data on the marital ...
- statistics - we developed a 95% z confidence interval for the mean BMI of women ...
- word problem - A study reported that in a random sampling of 100 women over the ...
- Statistics - A sample survey interviews an SRS of 115 college women. Suppose ...
- statistics - A sample survey interviews an SRS of 263 college women. Suppose (as...
- Statistics(math) - (20.47 S-AQ) A sample survey interviews an SRS of 252 college...
- statistics - the participants in a television quiz show are picked from a large ...
- U.S.History - The mills in the Northeast hired mostly a. young single women b. ...
- Computers - The Romance World Cruise Line provides special gifts for passengers ...

More Related Questions