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Math 181: Test for Chapter 7
This test may be taken with a calculator and any number of hand-written notes. Computers or books and other printed material, be they copies, printouts, or typed, are not allowed.
Place your answer in space provide for each question.
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Be careful to read all of each problem. Because these pages are produced on the WEB, for printed versions of these pages there is a chance that a problem, or its possible answers, will be split across two pages.
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4.
The following table shows the sales of products A, B, C, D, and E over the years 2005 through 2009. Questions 5 through 13 make reference to this chart.
2005
2006
2007
2008
2009
Total
One of these products is being sent back to us for inspection.
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13.
The following table gives the probabilities of four events
A, B, C,
and
D
along with the probabilites of the various intersections. Questions 14 through 19 make reference to this chart.
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©Roger M. Palay Saline, MI 48176 November, 2011