haydencheramie
19.09.2019 •
Mathematics
Imagine that you're on a game show, and you're given the choice of a mystery prize behind one of three doors: behind one door is a car; behind the other two doors are goats. you pick a door, say no. 1, and the host, who knows what's behind the doors, opens another door, say no. 3, which has a goat. he then says to you, "do you want to stick with door no. 1 or switch to door no. 2? " what do you do? would you stick with your original pick or switch? would either choice give you a better chance to winning the car?
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Ответ:
Switching would be better.
Step-by-step explanation:
If you pick a door at random, you have a 33.33% chance to get the car, and a 66.67% chance that the car is in the other two doors, 33.33% in the other two doors. (Let's pick door 1 for this example)
Saying that door 2 has a goat means that door 2 has a 0% chance of having a car. Where did that 33.33% go to? It went to door 3. Hence, door 3 now has a 66.67% chance of having a car.
Therefore, you should swap.
Ответ: