Respuesta :

snog

Answer:

0.25

Step-by-step explanation:

Out of the 4 counters only 1 is black so the probability is 1/4 or 0.25.

Answer:

0.25

Step-by-step explanation:

Since there are four marbles 100/4 =25 in this 100 is 1 thus the answer is 0.25