Question

a can contains 18 marbles six red, four white, three blue, and five black, One marble is drawn without looking. what is the probability of selecting a red or black marble?

Answer 1

Answer:

11:7

Step-by-step explanation:

There are 6 red, 4 white, 3 blue, and 5 blacks

We are asking the probability of black or red so we add 6 + 5 = 11

the rest is 7 so it is 11:7

11:7