19. A box contains 3 white balls, 4 black balls and
5 yellow balls. In how many ways can 4 balls be
drawn from the box, if at least one yellow ball is to
be included in the draw?
Answers
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1
Answer:
5/12
Step-by-step explanation:
yellow balls are 5 and there are 12 balls total hence probability of yellow ball is 5/12
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