Question

Is the following a probability model? What do we call the outcome “red”?
Color red 0,green 0.1,blue 0.15, brown0.25,yellow 0.35,orange 0.15

Is the table above an example of a probability model?
A)no, because not all probabilities are greater than 0
B) yes, because the probabilities sum to 1
C) yes, because the probabilities sum to 1 and they are all greater than or equal to 0 and less than or equal to 1
D) no, because the probabilities do not sum to 1

What do we call the outcome “red”?
A) unusual event?
B)certain event
C)not so unusual event
D) impossible event

Answer 1

B) yes, because the probabilities sum to 1 and they are all greater than or equal to 0 and less than or equal to 1
D) impossible event