Conditional Probability

AP Statistics· difficulty 3/5

0.6 0.4 0.7 0.3 0.5 0.5

From the tree, P(branch1 then branchA) = 0.6 · 0.7 =

  • A

    0.42

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  • B

    0.60

  • C

    1.30

  • D

    0.18

Explanation

Multiply probabilities along a branch path.

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