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Final Exam

 

1.Given two events, A and B, where P(B)>0P(B) > 0, what is the correct formula for the conditional probability of A given B, denoted P(AB)P(A|B)?

 

2.Bayes' theorem is fundamentally used to:

 

3.Which probability distribution is most appropriate for modeling the number of successes in a fixed number of independent trials, where each trial has only two possible outcomes?

 

4.Two events, A and B, are considered independent if and only if:

 

5.In the field of machine learning, Bayes' theorem forms the basis for a major classification method. What is this method called?

 

6.A factory produces light bulbs, and 2% are defective. A quality control test correctly identifies a defective bulb 95% of the time and correctly identifies a good bulb 99% of the time. If a randomly selected bulb tests positive for being defective, what concept would be used to find the actual probability that the bulb is defective?

 

7.The number of typos on a randomly chosen page of a book is best modeled by which probability distribution?

 

8.The Law of Total Probability is used to find the probability of an event by considering a set of mutually exclusive and exhaustive events.

 

9.A standard Normal Distribution has a mean of 0 and a standard deviation of 1.

 

10.In population genetics, the Hardy-Weinberg principle uses basic probability to model the genetic variation in a population that is not evolving. Which concepts are central to its formulation?

 

11.If A, B, and C are events, the Chain Rule for probability states that P(ABC)P(A \cap B \cap C) is equal to:

 

12.In decision analysis, what is the primary role of probability theory?

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