A researcher needs to split 26 plants into two treatment groups of 13 plants each. How many different groupings can be formed?

Guest May 19, 2021

#2**+1 **

Guest would be right if the groups were distinct, but if they are indistiguishable it would be half that or \(\frac{\binom{26}{13}}{2}\)

ilovepizza547 May 19, 2021