Question

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The event is sure, when probability of an event is​

Answer 1

Answer:

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Step-by-step explanation:

A sure event is an event, which always happens. For example ,it's a sure event to obtain a number between 1 and 6 when rolling an ordinary die. The probability of a sure event has the value of 1. The probability of an impossible event has the value of 0.

Answer 2

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An event whose probability equals 1 is called the sure event.