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प्रश्न
The probability that it will rain tomorrow is 0.85. What is the probability that it will not rain tomorrow?
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उत्तर
\[\text{ Let A be the event of raining tomorrow } . \]
\[\text{ The probability that it will rain tomorrow, P\left( A \right), is 0 . 85 } . \]
\[\text{ Since the event of raining tomorrow and not raining tomorrow are complementary to each other, the probability of not raining tomorrow is }: \]
\[P\left( A \right) = 1 - P\left( A \right) = 1 - 0 . 85 = 0 . 15\]
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