6) If an event is certain to occur, its probability is__________________ , and i
ID: 3133277 • Letter: 6
Question
6) If an event is certain to occur, its probability is__________________ , and if an event is certain not to occur, its probability is_____________________. (fill in the blanks)
7)If A is the event" tomorrow it will rain" and B is the event "I will win the lottery" then
a) A and B are mutually exclusive and independent events
b) A and B are mutually exclusive but not independent events
c) A and B are independent events but not mutually exclusive
8) The sum of the probabilities that an event will and that is will not occur is equal to __________ . (fill in blank)
9) Probabilities are real number between ____________ and __________________ , inclusive. (fill in blank)
10) Two probability can be added when we are asked:
tan 'or' question and the events are independent
an 'or' question and the events are mutually exclusive
an 'and' question and the events are independent
an 'and' question and the events are mutually exclusive
11)The expression P(A and B) = P(A)P(B) is valid if:
a) A and B are independent
b) A and B are dependent
c) A and B are mutually exclusive
a)tan 'or' question and the events are independent
b)an 'or' question and the events are mutually exclusive
c)an 'and' question and the events are independent
d)an 'and' question and the events are mutually exclusive
Explanation / Answer
6) If an event is certain to occur, its probability is one, and if an event is certain not to occur, its
probability is zero (fill in the blanks)
7)If A is the event" tomorrow it will rain" and B is the event "I will win the lottery" then
a) A and B are mutually exclusive and independent events
8) The sum of the probabilities that an event will and that is will not occur is equal to one . (fill in blank)
9) Probabilities are real number between zero and one, inclusive. (fill in blank)
11) The expression P(A and B) = P(A)P(B) is valid if:
a) A and B are independent
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