Sunday

December 21, 2014

December 21, 2014

Posted by **Sally** on Monday, August 15, 2011 at 11:00pm.

- statistics -
**MathGuru**, Tuesday, August 16, 2011 at 10:36amFormula:

CI90 = mean + or - 1.645(sd/√n)

sd = standard deviation

n = sample size

Substitute the values from your problem into the formula and calculate.

**Answer this Question**

**Related Questions**

statistics - a.a statistics practitioner randomly sampled 100 observations from ...

statistics - A statistics practitioner would like to estimate a population mean ...

statistics - A statistics practitioner formulated the following hypothesis: Ho: ...

statistics - Use the given information to find the minimum sample size required ...

statistics - 1.A magazine reported that 6% of Americans read the news paper ...

stats - To test the hypothesis H0 : ì = 100 against H1 : ì > 100, a ...

Statistics - You have a population that has a mean of 100 and a standard ...

Behavioral Statistics - You have a population that has a mean of 100 and a ...

Statistics - An admissions director wants to estimate the mean age of all ...

statistics - Suppose 100 randomly selected customers were asked to rate a ...