Boy Mow Chau's answer to tiffany's Secondary 4 E Maths Singapore question.
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(i) form equation using given probability and solve for x.
(ii) consider all the possible cases of obtaining 2 green beads AND 4th bead is green.
(ii) consider all the possible cases of obtaining 2 green beads AND 4th bead is green.
Date Posted:
2 years ago
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