Each letter of the word movers is written on an individual paper strip and placed in a box. Which set represents favorable outcomes of the event randomly choosing a constant letter?

a. {m, o, v, e, r, s}
b. {m, v, r, s}
c. { o, e}
d. {v, r, s}

The favorable outcomes for randomly choosing a constant letter would be the set of letters that are repeating within the word "movers." In this case, the letters "v," "r," and "s" are the constant letters in the word "movers," so the set representing the favorable outcomes is:

d. {v, r, s}