how do you find the probability of the two events if:
1.)they have common element/s?
2.)they have no common elements?
3.)event A is a subset of event B?
Connect the question above in the numbers to answer..
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1.)they have common element/s?
2.)they have no common elements?
3.)event A is a subset of event B?
Connect the question above in the numbers to answer..
Needed lng po
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Answer:
The general probability addition rule for the union of two events states that P(A∪B)=P(A)+P(B)−P(A∩B) P ( A ∪ B ) = P ( A ) + P ( B ) − P ( A ∩ B ) , where A∩B A ∩ B is the intersection of the two sets. The addition rule can be shortened if the sets are disjoint:
1
2.Two sets are disjoint if they have no elements in common, i.e., if their intersection is the empty set. ... B ∩ C = ∅, so B and C are disjoint. A and B have elements in common, so they are not disjoint. Also, A and C are not disjoint.
3.We say that an event A is a subset of an event B, and write A⊆B, when all outcomes in A are also in B. For example, suppose two dice are rolled.
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