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7 August 2000 Vol. 5, No. 32 THE MATH FORUM INTERNET NEWS The Real Challenge | Probability by Surprise - Stanford Math Forum Student Center THE REAL CHALLENGE Internet Learning Network - Council on Competitiveness http://www.getsmarter.org/ An animated and interactive testing and learning site. "The Real Challenge" is a timed test at various grade levels in either math or science, comparable to that used in the Third International Math and Science Study (TIMSS). After completing the assessment, see your score and compare your performance with that of students from 41 other countries. Take the "Celebrity Math Quiz" to practice math skills in algebra, data representation, analysis and probability, fractions and number sense, geometry, or proportionality and measurement. Free registration is required. -|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|- PROBABILITY BY SURPRISE - Susan P. Holmes et al. http://www-stat.stanford.edu/~susan/surprise/ Experimenting Paradoxes - browser-sensitive Java applets (try Internet Explorer if you can't view them using Netscape; for Macs running IE, Holmes recommends running with the preferences set to Apple Runtime for Java) for exploring: - The Birthday Problem - Say Red (will the next card in the deck be red?) - The Collector (how many times will you need to throw a die before you've thrown each of the 6 faces?) - Banach's Matchbox Problem - The Matching Problem - The IID Sequence - Polya's Urn as a restaurant choice - Random Scatter - Traffic Jams See also Visualizing Probabilities, Applets for Building a Probability Tree; and Two-dimensional Densities with Conditional Probabilities. The site includes other Web resources, and class notes for the Introduction to Probability class taught at Stanford University using these applets: http://www-stat.stanford.edu/~susan/courses/s116/pagew2.html -|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|- STUDENT CENTER - The Math Forum http://mathforum.org/students/ We've updated our Student Center with new content and age-specific search engines for our Internet Mathematics Library: - Graduate (research) - College (undergraduates) - High School (ages 14-18) - Middle School (ages 11-13) - Elementary (ages 5-11) Also find direct links to our major student services and archives: - Ask Dr. Math http://mathforum.org/dr.math/ - Problems of the Week - Elementary, Middle School, Geometry, Algebra, Discrete Math, Trig/Calculus http://mathforum.org/pow/ and pointers to other areas of interest to students: - Internet Math Hunt - MathMagic - Math Tips and Tricks - Undergraduate Research Database - Non-English Math Resources - Science Fair Math Projects -|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|- CHECK OUT OUR WEB SITE: The Math Forum http://mathforum.org/ Ask Dr. Math http://mathforum.org/dr.math/ Problems of the Week http://mathforum.org/pow/ Mathematics Library http://mathforum.org/library/ Teacher2Teacher http://mathforum.org/t2t/ Discussion Groups http://mathforum.org/discussions/ Join the Math Forum http://mathforum.org/join.forum.html Send comments to the Math Forum Internet Newsletter editors _o \o_ __| \ / |__ o _ o/ \o/ __|- __/ \__/o \o | o/ o/__/ /\ /| | \ \ / \ / \ /o\ / \ / \ / | / \ / \ |

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