Homework Help: math

Posted by Katherine on Wednesday, April 21, 2010 at 7:05pm.

on a tv game show,you try to win a prize that is hidden behind one of the three doors.after you choose a door, but before it is open,the host opens one of the other doors,behind which there is no prize.you can then switch the remaining closed door or stay with your orginial prize.

A: find the experimental probability of winning if your stragety is to stay with your orginal choice( hint:simulate by using one marked index card and two unmarked index cards.

B: find the experimental probability of winning if your stragety is to switch to the other door.

C: should you stay or switch in this game. Explain??

please help me i am confused...

thank you :)

math - PsyDAG, Thursday, April 22, 2010 at 12:55pm
Once the third alternative is eliminated, you have a 50% chance of being correct, whether or not you switch. Do you want to flip a coin?

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