chapter2solutions - STAT 230 Solutions to Problems: Chapter...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
STAT 230 Solutions to Problems: Chapter 2 Note: Questions who solutions are not here are answered sufficiently well in the text. 2.4 a) Represent the letters by small letters, the envelopes by capitals. Note that pairs that are repeated from the previous line are not rewritten. Sample space: wW xX yY zZ yW xX wY zZ zY yZ zY wZ yX xY zZ wX xY zZ zY xZ zY xZ zX yY xZ zX xY wZ xY yZ wY xZ xW wX yY zZ zW xX yY wZ zY yZ wY yZ yX wY zZ yX xY wZ zY wZ wY xZ zX wY yZ wX yY xZ yY wZ xY yZ b) A: wW xX yY zZ z Y y Z yX xY zZ zY xZ zX yY xZ xY yZ B: xW wX zY yZ yW wX zY xZ yX zY wZ zX xY wZ ` zX wY yZ wY xZ zW wX xY yZ yX xY wZ wY xZ C: wW xX zY yZ yW xX wY zZ zX yY xZ zW yY wZ yX xY zZ xW wX yY zZ D: No way, 3 correct Î all 4 are correct! c) Just count up the listing in b) and divide by 24! A: 6/24 = ¼ B: 9/24 = 3/8 C: 6/24 = ¼ D: 0
Background image of page 1

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

View Full DocumentRight Arrow Icon
2.5 a) Boxes 1 2 3 1 2 3 123 2 1 3 123 2 3 1 123 2 13 1 23 2 13 2 13 3 1 2 3 12 3 2 1 12 3 3 12 13 2 3 12 23 1 12 3 1 2 3 12 3 1 3 2 13 2 1 23 13 2 1 23 23 1 23 1 As before, count how many boxes satisfy each criterion, and divide by 27:
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 02/11/2010 for the course ART AFM101 taught by Professor Mr.lushman during the Spring '10 term at University of Toronto.

Page1 / 3

chapter2solutions - STAT 230 Solutions to Problems: Chapter...

This preview shows document pages 1 - 3. Sign up to view the full document.

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