[{"data":1,"prerenderedAt":32},["ShallowReactive",2],{"options:asyncdata:21uev1wb7az6a":3},{"state":4,"puzzle":5,"loading":31},"open",{"id":6,"title":7,"category":8,"difficulty":9,"access":10,"tags":11,"prompt":14,"options":15,"hints":28},"which-coin-is-it","Which Coin Is It?","probability","easy","free",[12,13],"conditional","coins","A bag holds three coins: one fair, one with heads on both sides, one with tails on both sides. You pull out a coin at random, toss it, and it lands heads. What is the probability the other side is also heads?",[16,19,22,25],{"id":17,"text":18},"a","1\u002F2",{"id":20,"text":21},"b","3\u002F4",{"id":23,"text":24},"c","2\u002F3",{"id":26,"text":27},"d","1\u002F3",[29,30],"Count the faces, not the coins.","How many heads faces could be showing?",false,1793569845963]