Nanette must pass through three doors as she walks from her company's foyer to her office. Each of these doors may be locked or unlocked.
Let C be the event that at least two doors are unlocked. List the outcomes of
"L" designate "locked" and U" designate "unlocked".]
A) {LLL, LLU, LUL, LUU, ULL, ULU, UUL, UUU}
B) {UUU, LUU, ULU, UUL}
C) {LLU, LUL, ULL, LUU, ULU, UUL}
D) None of these.

Question

Quizplus · Accepted Answer

B) {UUU, LUU, ULU, UUL} represents all the outcomes where at least two doors are unlocked, which is the definition of event C.

Nanette Must Pass Through Three Doors as She Walks from Her