1. A lab has 3 tanks of flatworms. tank 1 contains 7 flatworms all have genotype A, tank 2 has 6 flatworms all have genotype B), tank 3  has 8 flatworms all have has genotype C). How many ways can 5 flatworms be chosen in tank 1, How many ways can 3 flatworms be picked in tank 2 How many ways can 3 flatworms be chosen from tank 3?? Please explain 1.lab combines all tanks tp one. How many ways can 12 flatworms be selected from the one tank(the one there all put in)? Please explain   3. I2 flatworms are chosen randomly from the one tank, what is the likelihood  there will be exactly 5 flatworms with genotype A, 4 flatworms with genotype B, and 3 flatworms  with genotype C please explain

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