HW_7 - Solutions for HW #7 11. a. : 10, : 10 a H H = b....

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon

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

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Solutions for HW #7 11. a. : 10, : 10 a H H = b. 10.1032 10 9.8968 10 ( 10.1032 or 9.8968 | 10) ( or ) 0.2 / 25 0.2 / 25 ( 2.58) ( 2.58) 2(0.0049) 0.0098 P X X P Z Z P Z P Z -- = = = + - = = c. 9.8968 10.1 10.1032 10.1 (9.8968 10.1032 | 10.1) ( ) .2 / 5 .2 / 5 ( 5.08 0.08) 0.5319 0.0 0.5319 P X P Z P Z -- < < = = < < =- < < =- = 9.8968 9.8 10.1032 9.8 (9.8968 10.1032 | 9.8) ( ) .2 / 5 .2 / 5 (2.42 7.58) 1 0.9922 0.0078 P X P Z P Z -- < < = = < < = < < =- = d. c=2.58 e. 1.96(.2 / 10) 10 10.124, 1.96(.2 / 10) 10 9.876 + =- + = rejection region= { 10.124 or 9.876} x x f. 10.02 x = . Do not reject null hypothesis. g. { 2.58 or z 2.58} z - 13. a. ( 2.33 / | ) ( 2.33) 0.01 P X n P Z + = = = b. 99 100 2.33(5) / 25 99 ( 100 2.33(5) / 25 | 99) ( ) 5 / 25 5 / 25 ( 3.33) 0.0004 X P X P P Z - +- + = = = = 99 100 2.33(5) / 25 98 ( 100 2.33(5) / 25 | 98) ( ) 5 / 25 5 / 25 ( 4.33) 0.0 X P X P P Z - +- + = =...
View Full Document

This note was uploaded on 01/06/2011 for the course STAT 511 taught by Professor Bud during the Fall '08 term at Purdue University-West Lafayette.

Page1 / 2

HW_7 - Solutions for HW #7 11. a. : 10, : 10 a H H = b....

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online