Student Puzzle Corner
The puzzle was this maximum likelihood estimation problem in a badminton game. Student Puzzle Editor Anirban DasGupta explains the solution: For part (a), writing q for p2 = cp, the likelihood function is ((1 − p)p4q4)(p4q3(1 − q))((1 − q))(q3p2(1 − p))(p5q4(1 − q)) = p29(1 − p)2(1 −…

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Student Puzzle Editor Anirban DasGupta writes: Our respondent Raimundo Julian Saona Urmeneta, who is a PhD student at the Institute of Science and Technology in Austria, has done a lovely and complete job of solving the previous puzzle. Congratulations to Raimundo. We are publishing his answer [below] as…

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Deadline: February 1, 2021 Puzzle Editor Anirban DasGupta sets a problem on maximum likelihood estimation in a sports scenario. Between two badminton players A and B, player B has a probability p1=p of returning a serve or a shot from A, and A has a probability $p2 =…

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Student Puzzle editor Anirban DasGupta set a problem about random walks, in the October/November issue. The deadline for submitting your solution is December 1, 2020. See the puzzle here.…

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Deadline: December 1, 2020 Puzzle Editor Anirban DasGupta offers “more or less a textbook problem” this time, which pertains to various important questions on linear polymers. He says, “It will be easy for you to read about the connections; you can figure out most of the parts very quickly.” Here

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