Exam 1

1. Metainformation

   Tag	Value
   file	Probability_uva-sample-space-771-en_uva-sample-space-771-en
   name	uva-sample-space-771-en
   section	Probability/Elementary Probability/Sample Space
   type	schoice
   solution	FALSE, TRUE, FALSE
   Type	Conceptual
   Language	English
   Level	Statistical Literacy
   IRT-Difficulty	-2.852
   p-value	0.9732

   Question

   For two events X and Y, P(X) = 0.7 and P(Y) = 0.2. The events X and Y never occur at the same time. This means that X and Y

   
   
   1. FALSE: Are complementary.
   2. TRUE: Be disjoint but not independent.
   3. FALSE: Be independent but not disjoint (disjoint).
   
   
   1. Be complementary Incorrect
   2. Be disjoint (disjoint) but not independent…: Correct
   3. Be independent but not disjoint (disjoint)…: Incorrect