Why both false positives and false negatives are bad for the COVID-19 tests. Why Bayes rule is important for these situations. What is a false positive/negative anyway? A disease-screening medical test, like the one used to detect whether you are infected with the dreaded COVID-19 virus, essentially gives you a YES/NO answer. But, here are some questions toContinue reading “False positives/negatives and Bayes rule for COVID-19 testing”
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Latest developments: China’s factory output posts sharpest plunge in three decades in Jan-Feb. Unprecedented Federal Reserve move fails to calm markets. US share trading halted; market falls 9% on Monday. Spain, France follow Italy in imposing severe restrictions on movement. Previous headlines: UNCTAD warns of a $1 trillion cost to the world economy. Cryptocurrencies plunge. Italy’s entire populationContinue reading “The economic effects of COVID-19 around the world”
Apple’s iPhone 12 will feature a major redesign, marking the first time in three years that Apple will release a new iPhone model with an updated design. Both the iPhone 12 and iPhone 12 Pro models Apple releases in 2020 will feature a new look with flat metal edges reminiscent of the iPhone 5’s belovedContinue reading “Stunning iPhone 12 design video shows Apple’s new leaked color”
On this website you can find information and guidance from WHO regarding the current outbreak of corona-virus disease (COVID-19) that was first reported from Wuhan, China, on 31 December 2019. Please visit this page for daily updates.