Mathematics, 21.06.2020 13:57, jadeafrias
A bag contains some number of marbles. It is known that 20 of them are red. When 15 marbles are drawn, without replacement, we get 6 red. Assuming E(X)=6 red, what is the total number of marbles in the bag?
Answers: 3
Mathematics, 22.06.2019 00:30, daijahbuck
y=2xβ1 5xβ4y=1 is (1,1)(1,1) a solution of the system?
Answers: 3
A bag contains some number of marbles. It is known that 20 of them are red. When 15 marbles are draw...
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