Boy Mow Chau's answer to Candice lim's Junior College 2 H2 Maths Singapore question.
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to keep the answer short, i have omitted some obvious calculation steps. i trust that you can figure out the main idea in the solution.
do recheck the calculations, in case i have made any calculation mistake.
do recheck the calculations, in case i have made any calculation mistake.
Date Posted:
1 year ago
for this type of probability questions, it is a good idea to draw out a Venn diagram & fill it in as much as possible.
Thank you so much for your advice and working solution, Mr Chau.
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