HW for Chapter 7:
7.3, 7.6, 7.7, 7.8, 7.12, 7.15, 7.24, 7.28, 7.32, 7.37, 7.40, 7.42, 7.43, 7.47, 7.49, 7.51, 7.52, 7.54, 7.55, 7.56, 7.57, 7.58, 7.64 DUE December 6th
Friday, December 2, 2011
We took a step backward and revisited independence today. Please complete the attached worksheet to refine your understanding of mathematical independence.
Download Venn template answers
Percentages cartoon
Test will be 12/8.
Monday, Dececmber 5, 2011
We worked through the attached worksheet (or a similar one), calculating means and variances from basic principles and also using the formulas from this chapter.
Random variables worksheet answers
You have to be able to work problems using these methods without assistance--no partially-filled in tables, no headers on columns, etc. You have to KNOW what to do. Practice. Check your work against the answers in the back of the book. Check your answers using the special functions on the calculator.
Wednesday, December 7, 2011
You had a quiz today. The first page is available for download. The second page consisted of problems from the homework.
Answers to second page:
mu = 2.78,
standard deviation = .8669
Mu of Total = 70 minutes
and 7.71%
Answers to the first page will vary according to the probabilities of A and B. Refer to the Venn Diagram worksheets above for help here.
