Question
The sample space contains 6 As and 4 Bs. What is the probability that a randomly selected set of 3 will include 1 A and 2 Bs?
Step 1
This is a combination problem, so we use the combination formula, which is denoted as "n choose k". In this case, n is 10 (the total number of items) and k is 3 (the number of items we are selecting). So, we have ${10 \choose 3}$. Show more…
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