The union of events A and B is the event that occurs when either A or B or both occur. It is denoted as 'A or B'.
Indicate whether the statement is true or false
Q. 2Two or more events are said to be independent when the occurrence of one event has no effect on the probability that another will occur.
Indicate whether the statement is true or false
Q. 3The probability of the intersection is called a joint probability.
Indicate whether the statement is true or false
Q. 4There are three approaches to determining the probability that an outcome will occur: classical, relative frequency, and subjective. For each situation that follows, determine which approach is most appropriate.
a. A Russian will win the French Open Tennis Tournament next year.
b. The probability of getting any single number on a balanced die is 1/6.
c. Based on the past, it's reasonable to assume the average book sales for a certain textbook is 6,500 copies per month.
Q. 5Alana, Eva, and Stephanie, three candidates for the presidency of a college's student body, are to address a student forum. The forum's organizer is to select the order in which the candidates will give their speeches, and must do so in such a way that each possible order is equally likely to be selected.
a. What is the random experiment?
b. List the outcomes in the sample space.
c. Assign probabilities to the outcomes.
d. What is the probability that Stephanie will speak first?
e. What is the probability that Alana will speak before Stephanie does?
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