If the union of events A and B is not the empty set, then the two events are not mutually exclusive. ...

If the union of events A and B is not the empty set, then the two events are not mutually exclusive.
 
  Indicate whether the statement is true or false

Q. 2

A graphical representation of the five-number summary is called a box-and-whisker plot.
 
  Indicate whether the statement is true or false

Q. 3

The normal distribution is used to develop a confidence interval estimate of the population proportion if the sample size is large.
 
  Indicate whether the statement is true or false

Q. 4

The area to the left of the mean in any normal distribution is equal to:
 
  A) the median.
  B) the standard deviation.
  C) 1.0
  D) 0.5