probability_fig1

If 3\% are infected with Covid-19 \begin{tikzpicture} \person{0}{0}{\infected} \end{tikzpicture}, a lateral flow test will come back positive \begin{tikzpicture} \fill[\positive] (-\len/4,-\len/4) rectangle (\len/3,\len/3);\end{tikzpicture} 2.7\% of the time.

David is a final year PhD student at UCL studying geometric group theory. When not doing maths he can usually be found singing or playing the flute.

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