Exam 1

1. Metainformation

   Tag	Value
   file	Probability_uva-expected-value-744-en_uva-expected-value-744-en
   name	uva-expected-value-744-en
   section	Probability/Elementary Probability/Random variables/Expected value
   type	schoice
   solution	FALSE, FALSE, FALSE, TRUE
   Type	Conceptual
   Language	English
   Level	Statistical Literacy
   IRT-Difficulty	1.557
   p-value	0.8561

   Question

   In a probability experiment, a pure die is rolled 10 times. According to the rule for the expectation of stochastic variables, the expectation of the number of times six is rolled?

   
   
   1. FALSE: ΜX = 0.67
   2. FALSE: ΜX = 1.33
   3. FALSE: ΜX = 1.50
   4. TRUE: ΜX = 1.67
   
   
   1. ΜX = 0.67: Incorrect
   2. ΜX = 1.33: Incorrect
   3. ΜX = 1.50: Incorrect
   4. ΜX = 1.67: Correct