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The probability of event X is 0.3. If events X and Y are complements, what is the probability of event Y?

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Q: If the probabilty that an event will happen is 3 what is the probability of the event complement?
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What is the probability that the event will not happen if the probability of an event is 75 percent?

let event is X so P(X)=75%=0.75 probabilty that event will not happen P(X')=1-P(X) P(X')=1-0.75 P(X')=0.25 so probabilty that event will not happen is 0.25


Event A has probability 0.5 event B has probability 0.6 which of the following must be true?

the probabilty of both events is true. but which is most reliable is probabilty of B as it is more near to 1( total probabilty of any event)


How do you find the probability of the complement of an event?

The probability of the complement of an event, i.e. of the event not happening, is 1 minus the probability of the event.


Can probability of an event be negative?

An event will happen or not so its probabilty is between 0 (never happen) and 1 (will surely happen). The probability is a measure of its chance to happen. A negative probability would have no sense. You can think about probabilty this way: imagine a 1-litre bottle, it can be empty (0 litre) or full (1 litre) and any value between 0 and 1 but the value can't be negative.


What does it mean to find the compliment of the probability of an event?

The complement (not compliment) of the probability of event A is 1 minus the probability of A: that is, it is the probability of A not happening or "not-A" happening.The complement (not compliment) of the probability of event A is 1 minus the probability of A: that is, it is the probability of A not happening or "not-A" happening.The complement (not compliment) of the probability of event A is 1 minus the probability of A: that is, it is the probability of A not happening or "not-A" happening.The complement (not compliment) of the probability of event A is 1 minus the probability of A: that is, it is the probability of A not happening or "not-A" happening.

Related questions

What is mean by probabilty?

Probability is the percentage of the chance, a certain event will happen.


What is the theory of probabilty?

Probability is measured on a scale of 1 to 0 and at 1 an event will happen but at 0 an event will not happen.


What is the probability that the event will not happen if the probability of an event is 75 percent?

let event is X so P(X)=75%=0.75 probabilty that event will not happen P(X')=1-P(X) P(X')=1-0.75 P(X')=0.25 so probabilty that event will not happen is 0.25


Event A has probability 0.5 event B has probability 0.6 which of the following must be true?

the probabilty of both events is true. but which is most reliable is probabilty of B as it is more near to 1( total probabilty of any event)


How do you find the probability of the complement of an event?

The probability of the complement of an event, i.e. of the event not happening, is 1 minus the probability of the event.


Can probability of an event be negative?

An event will happen or not so its probabilty is between 0 (never happen) and 1 (will surely happen). The probability is a measure of its chance to happen. A negative probability would have no sense. You can think about probabilty this way: imagine a 1-litre bottle, it can be empty (0 litre) or full (1 litre) and any value between 0 and 1 but the value can't be negative.


What does it mean to find the compliment of the probability of an event?

The complement (not compliment) of the probability of event A is 1 minus the probability of A: that is, it is the probability of A not happening or "not-A" happening.The complement (not compliment) of the probability of event A is 1 minus the probability of A: that is, it is the probability of A not happening or "not-A" happening.The complement (not compliment) of the probability of event A is 1 minus the probability of A: that is, it is the probability of A not happening or "not-A" happening.The complement (not compliment) of the probability of event A is 1 minus the probability of A: that is, it is the probability of A not happening or "not-A" happening.


If the probability that an event will happen is 0.03 what is the probability of the events complement?

0.97. Just take it away from 1


What is probabilty range?

The probability of any event must lie in the interval [0,1].


What does complement mean in probability?

The complement of an event occurring is that it does not occur.


If the probability that an event will occur is 1 then the event is certain to occur?

Yes, the probabilty scale is from one to zero so is the probability is 0 it will definitely not occur


What is the relationship between the probability of a simple event and its complement?

If the probability of an event is p, then the complementary probability is 1-p.