Draw a tree diagram to equal chance to wear spectacles

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Reference no: EM13127226

in school, there are total number 600 people, 200 people are teacher. out of 600 people, 70% are female. 40% student take only English, 30% student take only Chinese, 30 % student take only Maths.it is found that both male n female has the equal chance to wear spectacles. Draw a tree diagram.

Reference no: EM13127226

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