The total points scored by a basketball team for each game during its last season have been ...

The total points scored by a basketball team for each game during its last season have
  been summarized in the table below. Identify the modal class of the distribution of
  scores.
 
  Score Frequency
  41-60 3
  61-80 8
  81-100 12
  101-120 7

Q. 2

For any events A and B, P(A  B) +P(A  Bc) = 1, meaning given that A occurs either B occurs or
  B does not occur.
 
  A) True B) False

Q. 3

For any events A and B, P(A  B) +P(Ac  B) = 1, meaning given that B occurs either A occurs or
  A does not occur.
 
  A) True B) False

Q. 4

The output below displays the mean and median for the state high school dropout rates
  in year 1 and in year 5.
 
  Year 1 Year 5
  N 51 51
  MEAN 28.22 26.56
  MEDIAN 27.53 25.18
  Use the information to determine the shape of the distributions of the high school
  dropout rates in year 1 and year 5.