Ann's answer to Aniq matin's Secondary 4 E Maths question.

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Ann
Ann's answer
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so get a black one is 5/9
get a red one is 4/9

get a black one and red one is 5/9×4/9=20/81
Aniq matin
Aniq Matin
7 years ago
Never explain the details
Jiayang
Jiayang
7 years ago
You’re supposed to write the probability in the brackets of the tree diagram -.-“