Probability of an impossible event is ____.

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Detailed Solution

Probability of an impossible event is 0.
Given an impossible event.
As, probability is the certainty of event to happen, the formula to calculate probability is,
Probability =

Number of wanted outcomes Total number of outcomes

.
For example, getting a 7 when die is rolled is impossible,
The possible outcomes are {1, 2, 3, 4, 5, 6}
As, 7 is not a possible outcome the probability of getting 7 is 0.
Therefore, probability of impossible event is 0.

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