Exam 1

1. Metainformation

   Tag	Value
   file	Probability_vufsw-probability-0050-en_vufsw-probability-0050-en
   name	vufsw-probability-0050-en
   section	probability
   type	schoice
   solution	TRUE, FALSE, FALSE, FALSE, FALSE, FALSE
   Type	calculation
   Program	calculator
   Language	English
   Level	statistical literacy

   Question

   A student at the VU has conducted research on the use of social media among Dutch people. For her thesis, she collected data on the use of Instagram of 297 people. In the following table, the age range of the respondents is plotted according to the question of whether they have an Instagram account (actual observed numbers).
   What is the conditional probability that someone has an Instagram account, given that he/she belongs to the middle age group (40-64 years), based on the data in this table? (In percent; round to two decimal places) 

   

   
   
   1. TRUE: 22,22%
   2. FALSE: 6,06%
   3. FALSE: 26,87%
   4. FALSE: 15,09%
   5. FALSE: 30,20%
   6. FALSE: 10,14%
   
   
   1. True
   2. False
   3. False
   4. False
   5. False
   6. False