Mutually Exclusvie Events If event A = Bill is a Democrat, and event B = Bill is

Question

Mutually Exclusvie Events

If event A = Bill is a Democrat, and event B = Bill is a Republican, events A and B cannot occur jointly (simultaneously). A and B are called mutually exclusive. P(A and B) = 0. P(A or B) = P(A) + P(B), which is the Simple Addition Rule. P(All mutually exclusive events = 1.

In the following, mark the correct answer.

P(Democrat and Republican) > 0                                                                                                      

    Correct                                                                                                   

    Incorrect   

P(Democrat, Republican, or Independent) = 0, or impossible                                                                                                          

    Correct                                                                                                   

    Incorrect   

P(Democrat, Republican, or Independent) = 1, or certain                                                                                                    

    Correct                                                                                                   

    Incorrect

P(Democrat and Republican) = 0, or impossible

    Correct                                                                                                   

    Incorrect                        

Explanation / Answer

a) incorrect                                                                          

b) incorrect                                                                       

c) correct                                                                       

d) correct                                                                       

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