Friday

February 27, 2015

February 27, 2015

Posted by **Jessica** on Saturday, November 28, 2009 at 9:51am.

the margin of error if c = 0.90.

- Statistics -
**MathGuru**, Monday, November 30, 2009 at 9:59pmMargin of error = + or - 1.645 (sd/√n)

Substitute the values given and determine the margin of error.

(The value of 1.645 was found using a z-table for 90% confidence.)

I hope this helps.

**Answer this Question**

**Related Questions**

Math - The standard deviation of test scores on a certain achievement test Is ...

statistics - what are the mean and standard deviation of a sampling distribution...

Statistics - A random sample of 14 college female students revealed their ...

Statistics - data from sample of 400 cases, variable has 95% confidence interval...

Statistics - Help me understand this problem, I have several more like this & ...

Statistics - A random sample of 80 students at a large school shows an average ...

statistics - 7) A final exam in Statistics has a mean of 73 with a standard ...

statistics - a final exam in statistics has a mean of 73 with a standard ...

Statistics for Social Science - A random sample of 80 students at a largae ...

Statistics - Assume that a standardized test is designed to have the mean score ...