Question 1
A deck of cards has a letter on one side of each card and a numeral on the other. You are told to test whether the hypothesis "If a card has a 'D' on one side, it has a '3' on the other" is true for the following array of cards:
Which card or cards would you have to turn over to see whether the hypothesis were true?
Question 2
You are a bouncer in a bar and are enforcing the rule, "If a person is drinking beer, he or she must be 18 or older." You may check what people are drinking or how old they are. Which of the following would you have to check?
A a beer drinker
B a Coke drinker
C a 25-year-old
D a 16-year-old
Question 3
You are at a Fourth of July picnic. You are told to test whether the hypothesis "If a person eats hot chili peppers, then he drinks cold beer" is true. You may check what people are eating or what they are drinking. Which of the following would you have to check?
A an eater of chili peppers
B an eater of cole slaw
C a beer drinker
D a Coke drinker.
