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Copy (2) of KatrinaManning_MM207_unit3 - Totalpointsare30....

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MM207 Unit 3 Chapter 3 Project  Total points are 30. Points are included with each problem. Included with each section or problem are reference examples and end of section exercises that  can be used as a guide. Be sure to show your work so that partial credit may be awarded. To   receive full credit, work must be shown if applicable. Section 3.1: Basic Concepts of Probability and Counting 1.  Lock combinations are made by using 4 digits. How many different lock combinations can  be made if repetition of digits is allowed?  (References: example 4   page 135, end of  section exercises 13 - 16 page 142 and 35 – 36 page 144)   (6 points) If the number for the combinations were 0-9 and repetition was allowed then there are a total  of 10 possible numbers for each digit.  10*10*10*10=10,000 There are a total 10,000 possible combinations for the 4 digit combination. 2. In 2001 the stock market took some big swings up and down. One thousand investors  were asked how often they tracked their investments. The table below shows their  responses. What is the probability that an investor tracks the portfolio monthly? 
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Copy (2) of KatrinaManning_MM207_unit3 - Totalpointsare30....

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