During the forecast you are told there is a 75% chance of rain tomorrow. What is the probability that it will not rain?

If there is a 75% chance of rain tomorrow, the probability that it will not rain is the complement of that probability. This means:

\[
\text{Probability of no rain} = 1 - \text{Probability of rain}
\]
\[
\text{Probability of no rain} = 1 - 0.75 = 0.25
\]

Thus, the probability that it will not rain tomorrow is **0.25** or **25%**.

Would you like more details on this concept, or have any further questions?

Here are 5 related questions:
1. What is the complement rule in probability?
2. How do you calculate the probability of multiple events occurring?
3. If the chance of rain is 75%, how would you calculate the chance of rain over two days?
4. What does a probability of 1 or 0 represent in real-world events?
5. How do weather forecasters calculate the probability of rain?

**Tip:** Probabilities always sum to 1 for all possible outcomes of an event.

Learn how to calculate the probability that it will not rain when there's a 75% chance of rain. This simple probability problem uses the complement rule to find the chance of no rain, suitable for students in Grades 5-7.

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