Exam 1

1. Metainformation

   Tag	Value
   file	Distributions_uva-binomial-1145-en_uva-binomial-1145-en
   name	uva-binomial-1145-en
   section	Distributions/Discrete/Binomial
   type	schoice
   solution	FALSE, TRUE, FALSE, FALSE
   Type	Conceptual
   Language	English
   Level	Statistical Literacy
   IRT-Difficulty	2
   p-value	0.5905

   Question

   A pure coin is tossed 100 times. The random variable X is: the number of times head is on top. Is X a binomial variable and if yes, what are n and p?

   
   
   1. FALSE: X is not a binomial variable.
   2. TRUE: X is a binomial variable, with n = 100 and p = ½.
   3. FALSE: X is a binomial variable, with n = 100 and p = 1/100.
   4. FALSE: X is a binomial variable, with n = 1/2 and p = 100.
   
   
   1. X is not a binomial variable…: Incorrect
   2. X is a binomial variable, with n = 100 and p = ½…: Correct
   3. X is a binomial variable, with n = 100 and p = 1/100…: Incorrect
   4. X is a binomial variable, with n = 1/2 and p = 100…: Incorrect