Exam 1

1. Metainformation

   Tag	Value
   file	Probability_uva-conditional-probability-960-en_uva-conditional-probability-960-en
   name	uva-conditional-probability-960-en
   section	Probability/Elementary Probability/Conditional probability
   type	schoice
   solution	FALSE, FALSE, FALSE, TRUE
   Type	Conceptual
   Language	English
   Level	Statistical Literacy
   IRT-Difficulty	1.841
   p-value	0.8092

   Question

   In a class there are 30 students, three of whom are left-handed. Suppose that you want to randomly choose two of the 30 students, what is the probability that you will choose a second left-handed student, given that the first student is also left-handed?

   
   
   1. FALSE: 1/30
   2. FALSE: 2/30
   3. FALSE: 1/29
   4. TRUE: 2/29
   
   
   1. 1/30: Incorrect
   2. 2/30: Incorrect
   3. 1/29: Incorrect
   4. 2/29: Correct