Spring2011Exam1

# Spring2011Exam1 - Spring 2011 FORM F Name Last: _ First: _...

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Questions 4 – 6 refer to the following: The following table gives the number of earthquakes (worldwide) measuring 3.0 or more by Richter scale from January 1 – March 17 of the indicated years. (earthquake.usgs.gov/earthquakes/eqinthenews) 2011 2010 2009 2008 TOTAL 3.0 – 3.9 0 1 2 0 3 4.0 – 4.9 4 3 3 1 11 5.0 – 5.9 1 2 1 1 5 6.0 – 6.9 9 10 4 10 33 7.0 – 7.9 5 3 5 2 15 8.0 – 8.9 0 0 0 0 0 9.0 – 9.9 1 0 0 0 1 TOTAL 20 19 15 14 68 4. Find the probability that a randomly chosen earthquake measured 6.0 – 6.9 on the Richter scale AND occurred in 2010. A. 68 42 B. 68 33 C. 68 19 D. 68 10 5. Find the probability that a randomly chosen earthquake measured 7.0 – 7.9 on the Richter scale OR occurred in 2008. A.
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## Spring2011Exam1 - Spring 2011 FORM F Name Last: _ First: _...

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