Exam 1

1. Metainformation

   Tag	Value
   file	Probability_uva-conditional-probability-934-en_uva-conditional-probability-934-en
   name	uva-conditional-probability-934-en
   section	Probability/Elementary Probability/Conditional probability
   type	schoice
   solution	FALSE, FALSE, FALSE, TRUE
   Type	Conceptual
   Language	English
   Level	Statistical Literacy
   IRT-Difficulty	2
   p-value	0.59

   Question

   Suppose a class contains 40 students. Of these, 3 students are left-handed. The teacher wants to randomly select two students, each of whom must answer a question. What is the probability that two students chosen are chosen sequentially are both left-handed?

   
   
   1. FALSE: 3/40
   2. FALSE: 3/1600
   3. FALSE: 9/1600
   4. TRUE: 6/1560
   
   
   1. 3/40:Incorrect
   2. 3/1600: Incorrect
   3. 9/1600: Incorrect
   4. 6/1560: Correct