Analysis and Approaches for IBDP Maths Ebook 1 | Page 247

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3. The diagram shows the probabilities for events A and B , with P( A�)
� x.
(a) Write down the value of x .
(b) Find P( B ) .
(c) Find P( A| B ) .
4. The diagram shows the probabilities for events A and B .
[1]
[3]
[3]
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(a) Write down the value of P( B| A� ).
(b) Find P( B ) .
(c) Find P( A� | B)
.
[1]
[3]
[3]
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