2. An urn has 10 distinct items in it. Someone picks an item from this urn at random so that each item is equally likely

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2 An Urn Has 10 Distinct Items In It Someone Picks An Item From This Urn At Random So That Each Item Is Equally Likely 1 (30.55 KiB) Viewed 97 times

2. An urn has 10 distinct items in it. Someone picks an item from this urn at random so that each item is equally likely to be picked. After the item is picked, it is returned to the urn. Then a second, third, and fourth pick is done similarly; the picked item is returned before the next pick. What is the probability that there is some item which is picked more than once?