Respuesta :

9514 1404 393

Answer:

  0.278

Step-by-step explanation:

The total number of cars of all colors is ...

  10 +7 +4 +5 +9 +1 = 36

Of these, 10 are black cars, so the relative frequency is ...

  black cars / total cars = 10/36 = 0.2777777...(repeating)

The relative frequency of black cars is about 0.278.