1. **Problem statement:** Find the probability that a person chosen at random purchases Brand X.
2. **Given data:**
- Total probability of Brand X purchases = 15% or 0.15
3. **Solution:**
Since the total probability of purchasing Brand X is already given as 15%, the probability that a person chosen at random purchases Brand X is:
$$P(\text{Brand X}) = 0.15$$
4. **Final answer:**
The probability that a person chosen at random purchases Brand X is **0.15** or 15%.
Brand X Probability Bcd6C4
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