Premise: Three girls are outside in a sandy area playing volleyball while a seated woman in the background photographs them .
Correct statement: Chances are about even that three high school volleyball players pose for a photo op
Incorrect statement: There is almost no chance that three high school volleyball players pose for a photo op
Correct statement: It is probably not the case that three girls are playing volleyball in a competition .
Incorrect statement: It is likely that three girls are playing volleyball in a competition .
Correct statement: It is impossible that three girls are getting their picture taken for a calendar .
Incorrect statement: It is likely that three girls are getting their picture taken for a calendar .
Correct statement: It is probable that three girls are looking up at a volleyball that is in the air over their heads .
Incorrect statement: It is improbable that three girls are looking up at a volleyball that is in the air over their heads .
Correct statement: There is almost no chance that some girls are playing professional volleyball
Incorrect statement: It is probable that some girls are playing professional volleyball