Your mom is a sporting person, so when it’s close to your bedtime, she will have a contest with you to see if you get to stay up later. You get to draw a card from a standard deck. If you draw an ace, a face card, or any heart, she’ll “have a heart” and let you stay up. If you draw any other card, you lose and go to bed. Who has the best chance of winning, you or your mom?

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