Exam 1

1. Metainformation

   Tag	Value
   file	Probability_uva-random-variables-1312-en_uva-random-variables-1312-en
   name	uva-random-variables-1312-en
   section	Probability/Elementary Probability/Random variables
   type	schoice
   solution	FALSE, FALSE, TRUE, FALSE, FALSE
   Type	Conceptual
   Language	English
   Level	Statistical Literacy
   IRT-Difficulty	2
   p-value	0.5905

   Question

   Below you see variables in a study of physical fitness. Determine which random variable X is a continuous variable:_____________.  I The subject is male or female, X = the number of females. II After every 30 minutes, a along trainer comes to whom you ask to measure your effort. X = the number of times the trainer comes by per day. III You measure the V-O₂, the maximum oxygen consumption per minute during exercise. X = the number of liters of oxygen consumption per minute.

   
   
   1. FALSE: I is a continuous random variable.
   2. FALSE: II is a continuous random variable.
   3. TRUE: III is a continuous random variable.
   4. FALSE: I and II are continuous random variables.
   5. FALSE: II and III are continuous random variables.
   
   
   1. I is a continuous random variable…: Incorrect
   2. II is a continuous random variable…: Incorrect
   3. III is a continuous random variable…: Correct
   4. I and II are continuous random variables…: Incorrect
   5. II and III are continuous random variables…: Incorrect