Question: Im having issues understanding HW can someone please help? l. A 4-digit PIN is selected. What is the probability that there are in; repeated digits?
Im having issues understanding HW can someone please help?

l. A 4-digit PIN is selected. What is the probability that there are in; repeated digits? 2. A pack contains 4 blue, 2 red and 3 black pens. If 2 pens are drawn at random from the pack, NOT re-plaeed and then another pen is drawn. What is the probability of drawing 2 blue ms followed by 1 black pen? 3. What is the probability of selecting a black card E Q from a deck of 52 cards
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