A test with 30% reliability

10 April, 2020 Juan Luis Varona0

These days, we have all heard that the Spanish government had bought, from a certain Chinese company, \(640\,000\) fast coronavirus detection tests whose reliability was only \(30\%\), so they had to return them. A \(30\%\) […]

Reconstruction

3 April, 2020 Antonio J. Durán0

Today, the mathematician in me is going to give way to his neighbour, the writer, although I don’t know whether it will be an essayist or a novelist. You be the judge. The epidemic continues […]