WILL REWARD !!!! - help please!

Four batteries bought from a hardware store were tested to determine whether they had a full-charge (F) or a low-charge (L).

a). What is an appropriate sample space for this experiment?
b). List the event “at least three of the batteries had a low-charge.”

Question

WILL REWARD !!!! - help please!

Four batteries bought from a hardware store were tested to determine whether they had a full-charge (F) or a low-charge (L).

a).  What is an appropriate sample space for this experiment?
b).  List the event “at least three of the batteries had a low-charge.”

anonymous · Answer

A.)F-F-F-F
F-L-L-L
F-F-F-L
F-F-L-L
L-L-L-L
B.)F-L-L-L