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Which of the following is true about a probability? It ranges between -1 and +1 It ranges between 0 and 100 It ranges between 0
Which of the following is true about a probability?
- It ranges between -1 and +1
- It ranges between 0 and 100
- It ranges between 0 and +1
- None of the above is true
For two disjoint events, A and B, i.e., they cannot occur at the same time, which of the following is true?
- Pr (A or B) = Pr (A) X Pr (B)
- Pr (A or B) = Pr (A) / Pr (B)
- Pr (A or B) = Pr (A) + Pr (B)
- Pr (A or B) = Pr (A) - Pr (B)
Which of the following is NOT a definition of probability?
- It is the likelihood of an event occurring
- It is measured by the ratio of the event to the total number of possible events
- It is measured by the ratio of the event to the total number of non-events
- All of the above are true
One of the reasons why we can use a one-sample z test for testing means is that the sampling of isdistributed as a Normal distribution.
- True or False?
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