The probability helps us to know the chances of an event occurring. The probability that it will not rain is 4/5.
The probability helps us to know the chances of an event occurring.
[tex]\rm{Probability=\dfrac{Desired\ Outcomes}{Total\ Number\ of\ outcomes\ possible}[/tex]
We know that the sum of all the probabilities is equal to 1. And, it is given that the probability that it will rain tomorrow is 1/5. Therefore, the probability that it will not rain tomorrow can be written as,
[tex]\text{The probability that it will rain}+\text{The probability that it will not rain}=1\\\\\dfrac{1}{5}+ \text{The probability that it will not rain}=1\\\\\text{The probability that it will not rain}=1-\dfrac{1}{5}\\\\\text{The probability that it will not rain}=\dfrac{4}{5}[/tex]
Hence, the probability that it will not rain is 4/5.
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