Question: Please! I have some D5 dice. (So each is equally likely to roll any of the nummbers 1,2,...,5.) I roll 6 of the dice. (a)

Please!

I have some D5 dice. (So each is equally likely to roll any of the nummbers 1,2,...,5.) I roll 6 of the dice. (a) What is the probability that I roll exactly 2 "1"s? (b) What is the probability that I roll exactly 2 "1"s and exactly 3 "2"s

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