Answer :
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To find the probability that someone's favorite winter activity is building a snowman, we need some information:
1. Let's say there are 100 people surveyed.
2. If 20 people said building a snowman is their favorite winter activity, the probability would be:
Probability = Number of favorable outcomes / Total number of outcomes
Probability = 20 (number of people who said building a snowman is their favorite) / 100 (total number of people surveyed)
3. Therefore, the probability as a fraction would be 20/100, which simplifies to 1/5.
So, the probability that someone's favorite winter activity is building a snowman can be represented as the fraction 1/5.
