When testing for independence in a contingency table with r rows ...

[chads108]

When testing for independence in a contingency table with r rows and c columns, the degrees of freedom for the test statistic would be:
 
  A) r + c + 1
  B) r + c -1
  C) (r-1)(c-1)
  D) rc - 1

Question 2

What is the probability that all four computers are occupied?
 
  What will be an ideal response?

[Swizqar]

Answer to Question 1

C

Answer to Question 2

P(All computers are occupied) = (0.6 )4 = 0.1296

[chads108]

Great answer, keep it coming

[blakcmamba]

Thanks for the timely response, appreciate it