2. Your sister calls to say she’s having twins. Which of the following is more likely? (Assume she’s not having identical twins.) A.Twin boys B.Twin girls C.One boy and one girl D.All are equally likely

4. Your sister calls to say she’s having twins. Which of the following is more likely? (Assume she’s not having identical twins.) A.Twin boys B.Twin girls C.One boy and one girl D.All are equally likely

5. What was the result of your simulation? A.Twin boys B.Twin girls C.One boy and one girl

6. Twin 2 BoyGirl Twin 1 Boy Boy-BoyBoy-Girl Girl Girl-BoyGirl-Girl

7. Twin 2 BoyGirl Twin 1 Boy Boy-BoyBoy-Girl Girl Girl-BoyGirl-Girl

8. What was the result of your simulation? A.Twin boys B.Twin girls C.One boy and one girl

9. Your sister calls to say she’s having twins. Which of the following is more likely? (Assume she’s not having identical twins.) A.Twin boys B.Twin girls C.One boy and one girl D.All are equally likely

11. Mental Models