Exam 1

1. Metainformation

   Tag	Value
   file	Probability_uva-events-675-en_uva-events-675-en
   name	uva-events-675-en
   section	Probability/Elementary Probability/Events
   type	schoice
   solution	FALSE, FALSE, TRUE, FALSE
   Type	Conceptual
   Language	English
   Level	Statistical Literacy
   IRT-Difficulty	1.865
   p-value	0.8066

   Question

   Event A = { 2 ≤ x ≤ 4}, and B = {x|x ≥ 3}.Looking at the graph below, what is the union of A and B?

   

   
   
   1. FALSE: {x|x ≤ 2}
   2. FALSE: {x|2 ≤ x ≤ 4}
   3. TRUE: {x|x ≥ 2}
   4. FALSE: {x|x > 4}
   
   
   1. {x|x ≤ 2}: Incorrect
   2. {x|2 ≤ x ≤ 4}: Incorrect
   3. {x|x ≥ 2}: Correct
   4. {x|x > 4}: Incorrect