#### mattdrankin

##### New member

- Joined
- Oct 24, 2009

- Messages
- 11

What is the margin of error for a 95% confidence interval?

What is the 95% confidence interval of the true mean?

Write a sentence explaining the 95% confidence interval in context of the question. (There are only a few ways to do this correctly, so be sure to read the book closely.)

Write a few sentences explaining what would happen if you wanted a 90% confidence interval?

Write a few sentences explaining what would happen if you changed the sample size to be 1000 men and kept a 95% confidence interval.