- A0.20
- B0.55
- C0.15
- D0.45
Step-by-Step Solution
Every thunderstorm day is a rainy day, so the thunderstorm event lies inside the rain event. P(rain and no thunderstorm) = 0.35 − 0.2 = 0.15.
Answer: C) 0.15
The probability that it rains tomorrow is 0.35 and the probability of a thunderstorm is 0.2. A thunderstorm occurs only when it rains. What is the probability that it rains but there is no thunderstorm?
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