The graph of the discrete probability distribution represents the number of
rooms in rented housing units in 2013.
(a) What is the probability that a
randomly selected rental unit has five
rooms?
(b) What is the probability that a
randomly selected rental unit has five or
six rooms?
(c) What is the probability that a
randomly selected rental unit has seven
or more rooms?
(d) If a rental unit is randomly selected,
how many rooms would you expect the
unit to have?