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Since the wording of this question says "how many ways can he list his courses" the order in which they are picked does matter right?
So I use the permutation 6*5*4*3=360 For his major disciplines
three of the four courses=4*3*2=24 Therefore the order in which he can list the course equals to 360*24=8640
Can someone confirm that my solutions are right?
What do you think?
here is my best guess |dw:1437286293253:dw| multiply the choices for major and minor together for the answer
6*5*4*3=360 4*3*2=24 360*24=8640
I think I got it right
the only thing not mentioned is whether he must choice the major course before the minor course if is order isn't important in the way major ore minor are selected.
Yes the wording is a little unsure
However I can assume as such right?
the use of "list" borders nominal or ordinal
then ther maybe 2 ways of slecting the courses as a multiplier to your answer
Ok. I'll take that into consideration. Thanks.