Exam 1

1. Metainformation

   Tag	Value
   file	Probability_uva-random-variables-4-en_uva-random-variables-4-en
   name	uva-random-variables-4-en
   section	Probability/Elementary Probability/Random variables
   type	schoice
   solution	FALSE, TRUE, FALSE
   Type	Calculation
   Language	English
   Level	Statistical Literacy
   IRT-Difficulty	2.601
   p-value	0.4518

   Question

   Of an artists’ society, 50% of the members are women and 50% of the members male. Of the women, 40% are alcoholics and 80% of the men. A member is randomly elected a member from the membership. This one turns out to be alcoholic. What is the probability that it is a woman?

   
   
   1. FALSE: 0.20
   2. TRUE: 0.33
   3. FALSE: 0.56
   
   
   1. 0.20: Incorrect
   2. 0.33: Correct
   3. 0.56: Incorrect