Exam 1

1. Metainformation

   Tag	Value
   file	Probability_uva-expected-value-1136-en_uva-expected-value-1136-en
   name	uva-expected-value-1136-en
   section	Probability/Elementary Probability/Random variables/Expected value
   type	schoice
   solution	FALSE, TRUE, FALSE, FALSE
   Type	Conceptual, Calculation
   Language	English
   Level	Statistical Literacy
   IRT-Difficulty	1.256
   p-value	0.8773

   Question

   The probability of winning €100 in a gambling game is 0.1 and the probability of losing €10 is 0.9. Calculate the average amount a player will win per gamble if he plays the gambling game for a long time. What is the win or loss per game?

   
   
   1. FALSE: € 0.00 (no profit or loss)
   2. TRUE: € 1.00 (profit)
   3. FALSE:
      • € 10.00 (loss)
   4. FALSE: € 100.00 (profit)
   
   
   1. €0.00 (no profit or loss): Incorrect
   2. € 1.00 (profit): Correct
   3. • € 10.00 (loss): Incorrect
   4. € 100.00 (profit): Incorrect