Double occupancy is:

Question $1$ options:

$1)$

The percentage of rooms occupied by more than one person during a period

$2)$

The number of hotel guest rooms occupied more than once in a $24-$hour period

$3)$

The result of a desk clerk reserving the same room for two different people on the same night

$4)$

Only desirable if the hotel has a low general occupancy rate