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Math professor Jeff Bergen explains the odds of picking a perfect bracket.
The first probability is based on a 50/50 split of correct picks, which is like using fair coin flips to pick winners. Bergen doesn't really go into how he calculated the second probability, but that smaller number comes up by bumping up the probability of picking the right team for each game. I think he's using an average probability of slightly less than 70% (based on simulation results from this old Wall Street Journal column).
That's why businesses can offer up million dollar prizes. In all likelihood, no one is going to win, which turns out to be a great business model for insurance companies who back these contests:
If millions of people enter a particular contest, it might seem like the chance of someone winning is suddenly in the realm of possibility. But there's a catch: This scenario assumes everyone maximized their chances by picking mostly favorites, so those with the best shot at winning are likely to have identical entries. These contests generally protect themselves from big losses by stating they'll divvy up the loot if there are multiple perfect brackets.
These favorable conditions make insuring these prize offers a good business, as the Dallas company SCA Promotions has discovered. SCA, founded by 11-time world bridge champion Robert D. Hamman, has taken on the insurance risk for roughly 50 perfect-bracket prizes -- including a Sporting News offer of $1 million in 2001, according to vice president Chris Hamman, the founder's son. In the 12 years it has been doing so, SCA has never had to pay out a claim.
On Kickstarter: A project that uses a visualization of pi to connect Brooklyn high school students to their community.
They've already made a histogram of emotions in their school's hallway and a stacked area chart mural at a nearby senior center. Next up is a wall currently covered in graffiti.
In Math class, students will construct the golden spiral based on the Fibonacci Sequence and begin to explore the relationship between the golden ratio and Pi. The number Pi will be represented in a color-coded graph within the golden spiral. In this, the numbers will be seen as color blocks that vary in size proportionately within the shrinking space of the spiral, allowing us to visualize the shape of Pi and it's negative space.
Backed.
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ScienceDaily: Most Popular News |
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| Posted: 22 Mar 2013 08:48 AM PDT Recent measurements of the rate at which children show DNA changes not seen in their parents -- the "mutation rate" -- have challenged views about major dates in human evolution. In particular these measurements have made geneticists think again about key dates in human evolution, like when modern non-Africans split from modern Africans. The recent measurements push back the best estimates of these dates by up to a factor of two. Now, however scientists present results that point again to the more recent dates. |
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ScienceDaily: Top Environment News |
| Posted: 22 Mar 2013 08:48 AM PDT Recent measurements of the rate at which children show DNA changes not seen in their parents -- the "mutation rate" -- have challenged views about major dates in human evolution. In particular these measurements have made geneticists think again about key dates in human evolution, like when modern non-Africans split from modern Africans. The recent measurements push back the best estimates of these dates by up to a factor of two. Now, however scientists present results that point again to the more recent dates. |
| For the first time Iberian lynx embryos are collected and preserved Posted: 22 Mar 2013 06:07 AM PDT A pioneering procedure in felines allows the collection of biological material from Iberian lynx females before castration. The preserved biological material of the lynxes will be used in future conservation breeding programs. |
| In triplicate, genes make maize tolerant to toxic soil Posted: 20 Mar 2013 10:33 AM PDT Rendering some of the world's toxic soils far less unfriendly, researchers are learning to grow stress-tolerant crops on formerly non-farmable land. |
| You are subscribed to email updates from ScienceDaily: Top Environment News To stop receiving these emails, you may unsubscribe now. | Email delivery powered by Google |
| Google Inc., 20 West Kinzie, Chicago IL USA 60610 | |
ScienceDaily: Top Health News |
| Certain bacteria suppress production of toxic shock toxin: Probiotic potential looms Posted: 22 Mar 2013 09:54 AM PDT Certain Streptococci increase their production of toxic shock syndrome toxin 1, sometimes to potentially dangerous levels, when aerobic bacteria are present in the vagina. But scientists have discovered certain strains of lactobacillus bacteria are capable of dampening production of that toxin. |
| Immune-cell therapy could strengthen promising melanoma treatment Posted: 22 Mar 2013 07:43 AM PDT Scientists have used newly developed nanotechnology chips (multidimensional and multiplexed immune monitoring assays) to successfully monitor T cells genetically engineered to attack melanoma. They have discovered that the T cells change over time when returned to patients. These results will help improve engineered immunotherapy for melanoma and the assays will help understand a spectrum of other cellular immunotherapies in the future. |
| Blocking an inflammation pathway prevents cardiac fibrosis, study suggests Posted: 22 Mar 2013 07:43 AM PDT New research shows that blocking an enzyme that promotes inflammation can prevent the tissue damage following a heart attack that often leads to heart failure. |
| Spatial memory: Mapping blank spots in the cheeseboard maze Posted: 22 Mar 2013 07:42 AM PDT During learning, novel information is transformed into memory through the processing and encoding of information in neural circuits. Scientists have now uncovered a novel role for inhibitory interneurons in the rat hippocampus during the formation of spatial memory. |
| Posted: 22 Mar 2013 06:08 AM PDT Recent research in laboratory medicine has revealed crucial differences between men and women with regard to cardiovascular illness, cancer, liver disease, osteoporosis, and in the area of pharmacology. |
| Long nerve grafts restore function in patients with brachial plexus injury Posted: 22 Mar 2013 06:03 AM PDT A new study challenges a widely held belief that long nerve grafts do poorly in adults with an axillary nerve injury. Investigators found that the outcomes of long nerve grafts were comparable to those of modern nerve transfers. |
| You are subscribed to email updates from ScienceDaily: Top Health News To stop receiving these emails, you may unsubscribe now. | Email delivery powered by Google |
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