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Probabilty Question #1?
If the probabilty that it will snow tonight is 2/5, what is the probabilty that it will not snow?
How do I work this one out?
6 Answers
- 1 decade agoFavorite Answer
The probabily of something happening, is the probability of something NOT happening. Therefore, the probability that it will not snow =
1 - 2/5
= 3/5
- Anonymous1 decade ago
3/5
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- 1 decade ago
the probability that it will snow is 2/5
the probability that will not snow = 1 - 2/5
which is 3/5
the total probability should be equal to 1
ie the probability that an event is a success + the probability that the event is a failure = 1
if u add 2/5 +3/5 you will get 1
where 2/5 in the case is the probability of a success(ie snowing tomorrow)
and 3/5 is the failure(ie not snowing tomorrow)
hope i helped
