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Want facts and want them fast? Our Maths in a minute series explores key mathematical concepts in just a few words.
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Was the mathematical modelling projecting the course of the pandemic too pessimistic, or were the projections justified? Matt Keeling tells our colleagues from SBIDER about the COVID models that fed into public policy.
PhD student Daniel Kreuter tells us about his work on the BloodCounts! project, which uses maths to make optimal use of the billions of blood tests performed every year around the globe.
If I instead of taking the envelope, (equivalently) toss a coin. And let us say I choose 'Heads'. Question: This situation above is it not akin to then changing my mind to 'Tails'  and so on?
What is the fundamental reason that one should keep flipping from 'Heads' to 'Tails' and backnforth, and assume there is more money being made from (equivalent) future iterations.
This is a Ponzi scheme. :)