Answer
$7.5$% of households have 4 or more televisions.
Work Step by Step
In this case, 4 or more televisions means 4 or 5 televisions since no household has more than 5 televisions.
$2+1=3$ households have 4 or 5 televisions.
The relative frequency: $\frac{3}{40}=0.075=7.5$%
