Tuesday

September 2, 2014

September 2, 2014

Posted by **Sally** on Saturday, February 7, 2009 at 7:55pm.

- math -
**bobpursley**, Saturday, February 7, 2009 at 8:06pm.27 percent

http://www.math.csusb.edu/faculty/stanton/m262/normal_distribution/normal_distribution.html

- math -
**Anonymous**, Wednesday, April 21, 2010 at 7:52pmThe mean length of the first 20 space shuttle flights was about 7 days, and

the standard deviation was about 2 days. On the basis of Chebychev’s

Theorem, at least how many of the flights lasted between 3 days and 11

days?

**Answer this Question**

**Related Questions**

Math - The mean of a sample of 25 was calculated as xbar = 500. The sample was ...

stats - A sample of 12 observations is selected from a normal population for ...

college math - Math homework please help!! 2. Suppose that people’s weights are ...

math - Average truancy per student is 8 days per semester with a standard ...

Statistics - Which of the following statements correctly interprets a 95% ...

statistics - The data below are the ages of a random sample of 8 men in a bar. ...

sample size/ standard deviations - How do we compute sample size fluctuations? ...

statistics - How do we compute sample size fluctuations? Suppose we have a ...

Statistics - The Internal Revenue Service is studying contributions to charity. ...

Statics - Assume that the population is normal. A sample of size 100 is taken. ...