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Question
junior college 2 | H2 Maths
3 Answers Below
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I was wondering if my method was feasible. I got the wrong ans though.
I found P(A intersect B) = 1- P( A' intersect B') =13/20
Then,
P(B|A) = P(B intersect A) / P(A)
4/7 = (13/20) / P(A)
Date Posted: 6 years ago
Views: 356
See 3 Answers
Its the wrong ans
But i got 7/20, which is what is written on your answer key
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Your first statement is wrong. Try to draw a diagram
Date Posted:
6 years ago
Oh!! I just realised. Thanks again!!
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Continued
Date Posted:
6 years ago
Thank u!!
Welcome, all the best for your a levels
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