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Data Handling - IV (Probability) — Maths STD 8 — Question

Maharashtra BoardEnglish MediumSTD 8MathsData Handling - IV (Probability)2 Marks
Question
The probability that it will rain tomorrow is 0.85. What is the probability that it will not rain tomorrow?
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Answer

Let A be the event of raining tomorrow.
The probability that it will rain tomorrow, P(A), is 0.85.
Since the event of raining tomorrow and not raining tomorrow are complementary to each other, the probability of not raining.
$\text{P}(\bar{\text{A}}) = 1 − \text{P(A)} = 1 − 0.85 = 0.15$

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