by Jared Barker | Oct 9, 2018 | Mu Sigma Events
Dr. Ehrke is hosting us at his house on Wednesday, October 10th for a movie night. His address is 1733 Lakeway Dr, Abilene, TX 79602, and we will be starting at 8:00. He will be providing drinks and deserts for us. Please RSVP to come, so that he can figure out how...
by John Ehrke | Oct 8, 2018 | Mu Sigma Meetings
It is time to elect officers for the 2018/2019 academic year. A Google form is provided below. Elections will remain open for a week beginning Tuesday, Oct 9th through Tuesday, Oct 16th. Please take time to vote. Write in candidates are allowed....
by John Ehrke | Oct 5, 2018 | Problem of the Week
How Many Words? This problem is from Matt Compton, University of Oklahoma. How many five-letter strings can be formed using the 26 (upper case) letters of the alphabet, subject only to the restriction that consonants cannot be next to each other and likewise vowels...
by John Ehrke | Sep 28, 2018 | Problem of the Week
Two Boats on a River This problem is from Joe Black, Athens, Texas, by way of Marilyn vos Savant, Parade Magazine. Two motorboats at opposite shores of a river start moving toward each other at constant, but different, speeds. (Neglect all other factors, like...
by John Ehrke | Sep 21, 2018 | Problem of the Week
Arithmetic Border for a Square This problem is from Grant Fikes. Fill in integers in the table below so that each row and each column of the border of the square is an arithmetic sequence. Note: The incremental change may be different for each of the four sequences....
by John Ehrke | Sep 14, 2018 | Problem of the Week
The Probability Both Roots are Positive and Real This problem is from Gary Gordon, Lafayette College Let f(x) = x2 + bx + c where b and c are real numbers between -1 and 1. What is the probability that both roots of f(x) are positive real numbers? Submit your answers...
by Jared Barker | Sep 11, 2018 | Mu Sigma Events
Use this form to nominate your Mu Sigma officers for this year! You can nominate yourself, or anyone who you think would do a great job. Nominations for President are restricted to Math majors only, but the other officers are open to all. Nominations will close on...
by Jared Barker | Sep 11, 2018 | Mu Sigma Events
If you want to be an official member of Mu Sigma, please sign up using this form. It’s open to all majors, so if you know anyone who would be interested, please spread the word!
by John Ehrke | Sep 8, 2018 | Problem of the Week
What Were the Correct Answers? This problem is from Tamar Malinek, by way of Marilyn vos Savant, Sunday Parade Magazine (Abilene Reporter News.) Mrs. Smith, a teacher, gave five students a make-up science test. There were five questions on the test. However after...
by John Ehrke | Aug 28, 2018 | Problem of the Week
Background The POTW competition has existed in form or another since September 3, 1990, when the first problem was given by Dr. Bo Green, professor emeritus of the Department of Mathematics until his retirement in 2009. The competition was excitedly restarted in Fall...
