Exam 1

1. Metainformation

   Tag	Value
   file	Probability_uva-independent-events-726-en_uva-independent-events-726-en
   name	uva-independent-events-726-en
   section	Probability/Elementary Probability/General Rules/Independent events
   type	schoice
   solution	TRUE, FALSE, FALSE
   Type	Conceptual
   Language	English
   Level	Statistical Literacy
   IRT-Difficulty	2.206
   p-value	0.5018

   Question

   A Dutch couple is randomly chosen. Both the husband and wife will be asked the following question “Are you satisfied with your marriage? Each person answers with either”yes” or “no. A is the event that the man answers”yes. B is the event that the wife answers “yes. Care is taken to ensure that both spouses are not aware of the other’s answer. This is done by asking both persons the question at the same time in two different rooms.â  On substantive grounds

   
   
   1. TRUE: We can be virtually assured that A and B are independent events .
   2. FALSE: We can be virtually assured that A and B are dependent events .
   3. FALSE: Nothing can be said about whether A and B will be independent events or not .
   
   
   1. We can be virtually assured that A and B are independent events .:Correct
   2. We can be virtually assured that A and B are dependent events .: Incorrect
   3. There is nothing to be said about whether A and B will be independent events or not ..: Incorrect