Probability Basicsmedium
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A market research survey categorizes 200 participants by age group and their preferred streaming service:
- Under 30: 50 prefer Service A, 30 prefer Service B.
- 30 and Over: 40 prefer Service A, 80 prefer Service B.
A participant is selected at random. Given that the selected participant prefers Service B, what is the probability that they are under 30?
A market research survey categorizes 200 participants by age group and their preferred streaming service:
- Under 30: 50 prefer Service A, 30 prefer Service B.
- 30 and Over: 40 prefer Service A, 80 prefer Service B. A participant is selected at random. Given that the selected participant prefers Service B, what is the probability that they are under 30?