‹ Back to the paper
A bag contains 5 white, 7 red and 4 black balls. If four balls are drawn one by one with…
A bag contains 5 white, 7 red and 4 black balls. If four balls are drawn one by one with replacement, what is the probability that none is white?
Answer
No answer yet.
From ISC 2020 Mathematics Paper 1, question 1(ix).