160 Chapter 3 Data Description 15. Annual Miles Driven The average miles driven annually per licensed driver in the United States is approximately 14,090 miles. If we assume a fairly mound-shaped distribution with a standard deviation of approximately 3500 miles, find the following: a. z score for 16,000 miles b. z score for 10,000 miles c. Number of miles corresponding to z scores of 1.6, -0.5, and 0 Source: World Almanac 2012

Question
160
Chapter 3 Data Description
15. Annual Miles Driven The average miles driven
annually per licensed driver in the United States is
approximately 14,090 miles. If we assume a fairly
mound-shaped distribution with a standard deviation of
approximately 3500 miles, find the following:
a. z score for 16,000 miles
b. z score for 10,000 miles
c. Number of miles corresponding to z scores of 1.6,
-0.5, and 0
Source: World Almanac 2012
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Transcribed Image Text

160 Chapter 3 Data Description 15. Annual Miles Driven The average miles driven annually per licensed driver in the United States is approximately 14,090 miles. If we assume a fairly mound-shaped distribution with a standard deviation of approximately 3500 miles, find the following: a. z score for 16,000 miles b. z score for 10,000 miles c. Number of miles corresponding to z scores of 1.6, -0.5, and 0 Source: World Almanac 2012

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