I've reached a part of my learning which starts to touch upon exactly why I signed up for this module. Had to share...
How would you normally ever go about finding the sum of this infinite series of natural numbers?
???
Well! Complex numbers to the rescue!
(simplification steps)
How cool is that!
I last wrote about lockdown effectiveness (or lack thereof) back in April 2020. In the same way, I'm once again thinking about virus stats instead of studying... ?
So after all this time, how do country's cases and deaths compare? Let's have a look shall we? I've picked out six countries that have been in the UK news a lot recently.
Here's the number of cases in each country as a percentage of the population. As before, populations are approximate. In order of severity:
| Country | Population (millions) | Cases | % of population |
| USA | 330.64 | 21,761,186 | 6.58% |
| UK | 67.82 | 2,957,476 | 4.36% |
| France | 65.25 | 2,701,658 | 4.14% |
| Brazil | 213.34 | 8,013,708 | 3.76% |
| South Africa | 59.3 | 1,192,570 | 2.01% |
| NZ | 5 | 1,863 | 0.04% |
Here is the percentage of each population dead due to covid-19:
| Country | Population (millions) | Deaths | % of population |
| UK | 67.82 | 79,833 | 0.12% |
| USA | 330.64 | 365,886 | 0.11% |
| France | 65.25 | 67,049 | 0.1% |
| Brazil | 213.34 | 201,460 | 0.09% |
| South Africa | 59.3 | 32,425 | 0.05% |
| NZ | 5 | 25 | 0.0005% |
Why is there such a high chance of death in the UK compared to anywhere else? Again, why is this not being reported on? ?♂️
Resources:
https://covid19.who.int/