Question

if the probability of an event happening
is 0 then the event is called.​

Answer 1

Answer:

An event with a probability of zero [P(E) = 0] will never occur , thus called an impossible event .

An event with a probability of one [P(E) = 1] means the event must occur, hence called a certain event .

hope it helps...........

Answer 2

Answer:

An event with a probability of zero [P(E) = 0] will never occur (an impossible event). An event with a probability of one [P(E) = 1] means the event must occur (a certain event).

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