A die is thrown twice, and the sum of the numbers appearing is observed to be What is the conditional probability that the number 5 has appeared at least once?

Matching exercise

    
Match the items on the right to the items on the left.
Step 1
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Step 4
Step 5
screenshot31.3_20_5.png
screenshot31.3_20_3.png
screenshot31.3_20_2.png
screenshot31.3_20_4.png
screenshot31.3_20_1.png