MAT 109 Extra Credit Assignment Instructor: Name: Grade: Due Date: last day of the course Directions: This assignment consists of 8 parts of two Chapter Review problems and 4 parts of a Managing Ashland MultiComm Service case problem. Each fully correct part for #1, 2, and #3 is worth 4 points. Answers to the questions in #4 count for 6 points each. For full credit, show or explain each solution that accompanies each of your answers. Problems solved by PHStat4 must be accompanied by printouts. You may solve any or all problems. Place your answers on these pages. [Total Points: 60] 1. #5.55, page 211 [Total Points: 16] (a) P(X = 4) (b) P(X 4) (c) P(X 8) (d) Provide a substantive answer to the question. 2. #6.53, page 245 [Total Points: 16] (a) P(X < 2) (b) P(1.5 < X < 2.5) (c) P(X > 1.8) (d) P(A < X) = 0.99. What is A? 3. Read Managing Ashland MultiCommService on page 269 [16 points] MAT 109 Extra Credit Assignment 1 Peirce College Faculty (a) P( X < 1.0) = (b) P(0.95 < (c) P(1.0 < (d) P( X X X < 1.0) < 1.05) < 0.95) or P( X > 1.05) 4. Read about \"Sure Value Convenience Stores\" on page 303. Answer the questions. (a) [6 points] Is there some way to get a feel for what the mean per-store count in all the stores will be if you cut coffee prices nationwide? (b) [6 points] Do you think reducing coffee prices is a good strategy for increasing the mean customer count? MAT 109 Extra Credit Assignment 2 Peirce College Faculty