TOM ROCKS MATHS

TOM ROCKS MATHS

Maths, but not as you know it…

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November 29, 2021November 30, 2021 tomrocksmaths

Comparing Disease Tests using ROC Curves and AUC Values

August 31, 2021September 8, 2021 tomrocksmaths

Bayes’ Theorem and Disease Testing

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Penguin and a rainbow - what a glorious combination :). African penguins can swim up to speeds of 12mph, and hold their breath for around 2.5 minutes. If they travel at maximum speed how far can they go underwater? (HINT: you can do this without a calculator by thinking about what proportion of an hour 2.5 minutes equates to). #tomrocksmaths #penguin #rainbow
I made a new friend :). In the wild, elephants may feed for up to 16 hours a day, consuming approximately 300 pounds of food. This gives a rate of 18.75 pounds per hour. A human typically consumes 4 pounds of food per day - meaning we would need to eat all of our meals in under 13 minutes to keep up with an elephant! #tomrocksmaths #elephant #safari
Did you know giraffes only have 7 neck bones - the same as a human or any other mammal - though of course they are much longer than ours, reaching up to 10 inches long. If all the bones were at maximum size, would the neck be taller than me? (I’m 6 foot). #tomrocksmaths #giraffe #safari
Wild dogs are an endangered species with only 4 remaining populations - one of which is in Kruger National Park. There are approximately 500 so we were incredibly lucky to see two separate groups of around 20 individuals. As the mathematician of the group I was naturally in charge of counting them… #tomrocksmaths #wilddogs #kruger
Let the fun begin. Kruger National Park is almost 20,000 square kilometres in size, with approximately 2000 lions, 1000 leopards, and 200 cheetahs. What size area would I need to cover to have a chance of finding each species of big cat? #tomrocksmaths #safari #kruger
Tattoo #42 - Bring Me The Horizon @bringmethehorizon. "That’s the Spirit" and “Sempiternal” are two of my favourite ever albums, with the latter being one of my first introductions to heavier music (that I really enjoyed). Check out ‘Shadow Moses’ for a taste of what I mean :) #tomrocksmaths #bmth #umbrella

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