A bag contains 24 discs.
8 are red and 16 are blue.
One disc is taken out at random and repla...
Mathematics, 22.03.2021 15:30, asad92
A bag contains 24 discs.
8 are red and 16 are blue.
One disc is taken out at random and replaced by two of the other colour.
Another disc is then taken out at random and replaced by two of the other colour.
Another disk is taken out at random
Work out the probability that all three discs are taken out red
Answers: 2
Mathematics, 21.06.2019 21:30, ojbank4411
Tom can paint the fence in 12 hours, but if he works together with a friend they can finish the job in 8 hours. how long would it take for his friend to paint this fence alone?
Answers: 1
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