Thursday

August 21, 2014

August 21, 2014

Posted by **looking for someone to varify my work please** on Thursday, April 1, 2010 at 10:35pm.

a. 90% = 1.645

b. 85% = 1.8025

- statistics -
**MathGuru**, Friday, April 2, 2010 at 12:00am90% is correct!

85% is incorrect. Try again.

**Related Questions**

Statistics - We have calculated a 95% confidence interval for a proportion and ...

Statistics - Find the minimum sample size that should be chosen to assure that ...

Statistics - 1. A certain population follows a normal distribution, with mean m ...

Math-Stat Help - In a random sample of 78 teenagers, 32 admit to texting while ...

Elementary Statistics - 1) Construct a confidence interval of the population ...

Statistics - The standard deviation for a population is σ = 15.3. A sample ...

statistics - Help!!!!!! A confidence interval estimate for the population mean ...

Statistics - How would I find the confidence level (in %) if I am given the ...

statistics - You intend to estimate a population proportion with a confidence ...

math help - Please help me on these I have lost the tables that I would need to ...