A box contains 6 red pens and 4 blue pens. Cory randomly picks a pen from the box and keeps it. Then Todd randomly picks a pen from the box. What is the probability both boys will pick red pens?
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1
Answer:
1 / 3
Step-by-step explanation:
Cory's draw: 6/10
Bob's draw: 5/9
Probability = (6/10)(5/9)
= 30 / 90
= 1 / 3
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