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The weather can be sunny, cloudy or rainy. All three are equally likely. What is the probability that the weather is sunny?

The weather can be sunny, cloudy or rainy. All three are equally likely. What is the probability that the weather is sunny? Correct Answer 1/3

There are 3 recognized weather types (outcomes) and all are equally likely. Hence any one of them can occur at a probability of (1/number of outcomes) i.e. 1/3.

Related Questions

Which of the following statements are true?
1. The classical approach to probability theory requires that the total number of possible outcomes be known or calculated and that each of the outcomes be equally likely.
2. A marginal probability is also known as unconditional probability.
3. For three independent events, the joint probability of the three events, P (ABC) = P (A) × P (B/A) × P (C/AB)
4. Two events are mutually exclusive, exhaustive and equally likely, the probability of either event A or B or both occurring P(A or B) = P(A) + P(B)
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II. Foggy days tend to be less windy than cloudy days.
III. Sunny days tend to be less windy than foggy days.
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