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.

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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

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

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

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

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

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

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

Mental Models