hanji’s's answer to Yx._-tan's Secondary 4 E Maths Singapore question.

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hanji’s
Hanji’s's answer
3 answers (A Helpful Person)
1st
i’m sorry if i’m wrong, i’m honestly not sure :( you have to multiple the independent events then add up the probability of those such events together. please let me know if i’m wrong, i’m sorry if i am.