Question

Probability of happening of an event is
happening of that event is 3/7.
What will be the probability of not happening of that event.
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Answer 1

Answer:

4/7

Step-by-step explanation:

probability of not happening of that event. = 1- probability of happening of an event

$1 - \frac{3}{7} \\ = \frac{7}{7} - \frac{3}{7} \\ = \frac{4}{7}$

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