An experiment consists of tossing 3 unbiased coins ...

[Redwolflake15]

An experiment consists of tossing 3 unbiased coins simultaneously. The number of simple events in this experiment is:
 a. 3
  b. 6
  c. 8
  d. 9
  e. 27

Question 2

A chi-square test for independence is applied to a contingency table with 4 rows and 4 columns for two qualitative variables. The degrees of freedom for this test must be 9.
  Indicate whether the statement is true or false

[ergserg]

Answer to Question 1

C

Answer to Question 2

T