231hw13solutionsF11

# 231hw13solutionsF11 - For the 95 confidence interval for we...

This preview shows pages 1–8. Sign up to view the full content.

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: For the 95 % confidence interval for , we use the formula, ! s s n r n r sP , sP 2 2 n r,/2 n r,1 /2 We have: sP = .003666 n = 17 r=4 = .05 2 n r,/2 = 2 n r,1 /2 2 13,.025 = 24.7356 = 5.0088 = 2 13,.975 Hence, our interval becomes: s sP , sP 2 n r,/2 r n r s n r r 2 n r,1 /2 ! = .003666 13 , .003666 24.7356 13 5.0088 ! = (0.002658, 0.005906) 1 ...
View Full Document

## This note was uploaded on 02/11/2012 for the course STAT 231 taught by Professor Staff during the Fall '08 term at Iowa State.

### Page1 / 8

231hw13solutionsF11 - For the 95 confidence interval for we...

This preview shows document pages 1 - 8. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online