Exam 1

1. Metainformation

   Tag	Value
   file	Probability_uva-random-sample-525-en_uva-random-sample-525-en
   name	uva-random-sample-525-en
   section	Probability/Elementary Probability/Random variables/Random sample
   type	schoice
   solution	FALSE, FALSE, TRUE, FALSE
   Type	Calculation
   Language	English
   Level	Statistical Literacy
   IRT-Difficulty	2
   p-value	0.5905

   Question

   Z is distributed N(0,1). Determine a such that P(-a < Z < a) = 0.80

   
   
   1. FALSE: -0.84
   2. FALSE: 0.84
   3. TRUE: 1.28
   4. FALSE: 1.65
   
   
   1. 0.84: Incorrect
   2. 0.84: Incorrect
   3. 1.28: Correct
   4. 1.65: Incorrect