Exam 1

1. Metainformation

   Tag	Value
   file	Inferential_Statistics_uva-sample-mean-1039-en_uva-sample-mean-1039-en
   name	uva-sample-mean-1039-en
   section	Inferential Statistics/Sampling Distributions/Sample mean
   type	schoice
   solution	FALSE, FALSE, TRUE, FALSE
   Type	Calculation
   Language	English
   Level	Statistical Literacy
   IRT-Difficulty	2
   p-value	0.5905

   Question

   Throw up one pure coin twice. Define the stochastic variable X is the number of heads that come up. Calculate the probability of P(X = 2):

   
   
   1. FALSE: 0
   2. FALSE: 1/2
   3. TRUE: 1/4
   4. FALSE: 3/4
   
   
   1. 0: Incorrect
   2. 1/2: Incorrect
   3. 1/4: Correct
   4. 3/4: Incorrect