for the following, what must be true of events A and B to make these statement true? explain
a. A ∪ B=B
b. A ∩ B=A
c. A|B=A
d. A ∪ B=A ∩ B
for the following, what must be true of events A and B to make these statement...
“If two events are mutually exclusive, they must not be independent events.” Is this statement true or false? Explain your choice.
Discuss the validity of the following statement. If the statement is always true, explain why. If not, give a counterexample. If E and F are complementary events, then E and F are mutually exclusive. Choose the correct answer below. A. The statement is true because two complementary events have to be mutually exclusive. B. The statement is true because if E and F are complementary events, then EnF is equal to the sample space. C. The statement is false because...
Discuss the validity of the following statement. If the statement is always true, explain why. If not, give a counterexample. IfE and F are complementary events, then E and F are mutually exclusive. Choose the correct answer below. O A. The statement is true because if E and F are complementary events, then EnF is equal to the sample space. B. The statement is false because the null set is an element of both E and F. Therefore, E and...
Which of the following is a true statement? a. A treaty must be approved by a majority of the Supreme Court Justices before being signed by the President.. b. A treaty signed by the President does not need approval by Congress. c. A treaty signed by the President and approved by the Senate has the legal force of a federal statute. d. A federal statute may not supersede a prior treaty.
Determine whether the following statement is true or false. If the statement is false, make the necessary changes(s) to produce a true statement. In V5 = In 5 4 Choose the correct answer below. A. The statement is false. The correct statement is in 5 = In 54 B. The statement is true In 5 OC. The statement is false. The correct statement is in 54 OD. The statement is false. The correct statement is in 5 = 1 4...
Which of the following must be true regarding probability? P(S) ≤ 1 For two events A and B, P(AUB) = P(A) + P(B) If P(A)>0 and P(B)>0, then P(A∩B)>0 If P(A)>0 and P(B)>0, then P(AUB)>0
Which of the following statements is true regarding economic events? a. The signing of a service contract is an example of an external event that is recorded in the accounting records. b. Every event which affects an entity can be identified from a source document. c. All internal and external events must be measured with sufficient reliability. d. External events involve exchanges between an entity and another entity outside the company.
For the following items, suppose A la,b,e,e Mark the statement TRUE or FALSE. If the statement is FALSE, then modify it to make it true c. ØeP(B)
Events A and B are mutually exclusive. Which of the following statements is also true? a. P(A ∩ B) = P(A) + P(B) b. A and B are also independent c. P(A U B) = P(A)P(B) d. P(A U B) = P(A) + P(B)
The following statement is either true or false. If the statement is true, prove it. If the statement is false, give a specific counterexample... If A, B, C and D are sets, then (A × B)∩(C × D) = (A ∩ C)×(B ∩ D).