Exam 1

1. Metainformation

   Tag	Value
   file	Probability_uva-random-variables-440-en_uva-random-variables-440-en
   name	uva-random-variables-440-en
   section	Probability/Elementary Probability/Random variables
   type	schoice
   solution	FALSE, FALSE, FALSE, TRUE
   Type	Calculation
   Language	English
   Level	Statistical Literacy
   IRT-Difficulty	1.625
   p-value	0.8494

   Question

   Of 143 hospital patients who contracted a particular infection, the sex determined, and whether or not they survived the infection. Of the 126 survivors, 78 were male; of those who died, 13 were male. Suppose we randomly choose one of the patients. The best estimate of the probability of this patient surviving the infection is equal to

   
   
   1. FALSE: 0.12
   2. FALSE: 0.64
   3. FALSE: 0.86
   4. TRUE: 0.88
   
   
   1. 0.12: Incorrect
   2. 0.64: Incorrect
   3. 0.86: Incorrect
   4. 0.88: Correct