In setting up the contingency table, whether the groups caught ...

[bobthebuilder]

In setting up the contingency table, whether the groups caught the flu
  should be placed in the
 
  a. columns
  b. rows
  c. marginal totals
  d. lower, right-hand corner

Question 2

With a known population mean of 50 and a known standard error of the mean
  of 4.00, what is the probability of selecting at random a sample whose mean is
  52 or greater?
 
  What will be an ideal response?

[TDubDCFL]

Answer to Question 1

a

Answer to Question 2

p=.31