Table of Contents
- 1 Which one is true if events A and B are independent?
- 2 Can the probability of an event be greater than 1 A True B False?
- 3 Is the following statement true or false if A and B are independent then A and B are independent?
- 4 Can the probability of A or B be greater than 1?
- 5 Why Cannot be probability of an event be greater than 1?
Which one is true if events A and B are independent?
Events A and B are independent if: knowing whether A occured does not change the probability of B. Mathematically, can say in two equivalent ways: P(B|A) = P(B) P(A and B) = P(B ∩ A) = P(B) × P(A).
Can the probability of two independent events be greater than 1?
The probability of something happening is between 0 and 1. The probability of an event cannot be greater than 1. A probability of 1 corresponds to a 100\% chance (that means the event is guaranteed to happen). If you calculate a probability greater than 1, check your assumptions and the independence of events.
Can the probability of an event be greater than 1 A True B False?
Probability is a number. It is always greater than or equal to zero, and less than or equal to one. This can be written as 0≤P(A)≤1 0 ≤ P ( A ) ≤ 1 . An event that always occurs has a probability of 1 .
What is the probability of A or B if they are independent?
Formula for the probability of A and B (independent events): p(A and B) = p(A) * p(B). If the probability of one event doesn’t affect the other, you have an independent event. All you do is multiply the probability of one by the probability of another.
Is the following statement true or false if A and B are independent then A and B are independent?
Hence the events A and B’ are independent, Since A and B’ are independent, we have A’ and B’ are also independent. Hence options [b] and [c] are correct. Hence option[d] is correct.
What is dependent and independent event?
Dependent events influence the probability of other events – or their probability of occurring is affected by other events. Independent events do not affect one another and do not increase or decrease the probability of another event happening.
Can the probability of A or B be greater than 1?
The sum of the probabilities of mutually exclusive events can never be more than 1.
Can probability of a union B be greater than 1?
No. No probability is ever allowed to be greater than one, ever.
Why Cannot be probability of an event be greater than 1?
The probability of an event will not be less than 0. This is because 0 is impossible (sure that something will not happen). The probability of an event will not be more than 1. This is because 1 is certain that something will happen.
Which pairs of events are independent?
Definition: Two events, A and B, are independent if the fact that A occurs does not affect the probability of B occurring. Some other examples of independent events are: Landing on heads after tossing a coin AND rolling a 5 on a single 6-sided die. Choosing a marble from a jar AND landing on heads after tossing a coin.