Hello i need help with this problem:
1-How many strings of length 10 over the alphabet{a, b, c} have exactly
3 a’s or exactly 4 b’s ?
2-There are 12 signs in the zodiac. How many people are needed to
guarantee that at least six of these people have the same sign ?
I think i should use th epigeon hole principle in the second on no?
thank you
Hello, qwerty321!
2) There are 12 signs in the zodiac. .How many people are needed
to guarantee that at least six of these people have the same sign ?
Think of the "worst case scenario."
We could have five people who are Aries, five who are Leos, five who are Virgos, etc.
Hence, there could be at most 60 people and no six of them have the same sign.
Therefore, the person . . .