Question

a bag contains 5 red balls 7 black balls and 3 white balls A ball is drawn at random from the bag write the formula for the probability of an event what is the probability that the ball drawn white ,red , black, not red ,not white​

Answer 1

Answer:

Step-by-step explaination:

total:

   5+7+3= 15

probabilities:

   white- 3/15 or 1/5

   red: 5/15 or 1/3

   black: 7/15

   not red: 15/15-5/15=10/15

   not white= 15/15-3/15=12/15