Post a New Question

Intro to probability

posted by .

An octave contains twelve different musical notes (in Western music). How many different eight note melodies can be constructed from these twelve notes if:
(a) no note can be used more than once?
(b) any note can be used as often as you please?
Ans for a) a permutation
12P8 =19,958,400
b) a combination
12C8= 495
Is this correct?

Answer This Question

First Name
School Subject
Your Answer

Related Questions

More Related Questions

Post a New Question