U tablici su najviše dnevne temperature izmjerene tijekom jednoga tjedna.
$$\begin{array}{|c|c|c|c|c|c|c|c|}\hline \text{Dan} & \text{pon} & \text{uto} & \text{sri} & \text{čet} & \text{pet} & \text{sub} & \text{ned} \\\hline \text{Temperatura }(^\circ\text{C}) & 18 & 21 & 19 & 24 & 21 & 25 & 20 \\\hline\end{array}$$$\begin{array}{|c|c|c|c|c|c|c|c|}\hline \text{Dan} & \text{pon} & \text{uto} & \text{sri} & \text{čet} & \text{pet} & \text{sub} & \text{ned} \\\hline \text{Temperatura }(^\circ\text{C}) & 18 & 21 & 19 & 24 & 21 & 25 & 20 \\\hline\end{array}$
U koliko je dana najviša dnevna temperatura bila veća od $20\,^\circ$$20\,^\circ$C?