Sagot :
Answer:
Total balls=15
Black balls =6
Chance of black ball= 6/15
Chance of red ball 9/15.
Chance it will be either red or black: 6/15 + 9/15 = 15/15 or certainty.
Answer:
Total balls=15
Black balls =6
Chance of black ball= 6/15
Chance of red ball 9/15.
Chance it will be either red or black: 6/15 + 9/15 = 15/15 or certainty.