The post is about the Probability MCQs Quiz. There are 25 multiple-choice questions covering the topic related to counting rules of probability, random experiments, assigning probability, events and types of events, and rules of probability. Let us start with the Probability MCQs Quiz.

MCQs about probability, sample space,

### Online Probability MCQs Quiz

- A lottery is conducted using 3 urns. Each urn contains balls numbered from 0 to 9. One ball is randomly selected from each urn. The total number of sample points in the sample space is
- Three applications for admission to a university are checked to determine whether each applicant is male or female. The number of sample points in this experiment is
- Suppose your favorite cricket team has 2 games left to finish the series. The outcome of each game can be won, lost, or tied. The number of possible outcomes is
- Each customer entering a departmental store will either buy or not buy a certain product. An experiment consists of the following 3 customers and determining whether or not they will buy any certain product. The number of sample points in this experiment is as follows:
- Two letters are to be selected at random from five letters (A, B, C, D, and E). How many possible selections are there?
- The “Top Three” at a racetrack consists of picking the correct order of the first three horses in a race. If there are 10 horses in a particular race, how many “Top Three” outcomes are there?
- When the assumption of equally likely outcomes is used to assign probability values, the method used to assign probabilities is referred to as the
- A method of assigning probabilities that assumes the experimental outcomes are equally likely is called
- When the results of historical data or experimentation are used to assign probability values, the method used to assign probabilities is referred to as the
- The probability assigned to each experimental outcome must be
- An experiment consists of four outcomes with $P(A) = 0.2, P(B) = 0.3, P(C) = 0.4$. The probability of the outcome $P(D)$ is
- Given that event $A$ has a probability of 0.25, the probability of the complement of event $A$
- The symbol $\cup$ shows the
- The union of events $A$ and $B$ is the event containing
- The probability of the union of two events with non-zero probabilities
- The symbol $\cap$ shows the
- The addition law helps to compute the probabilities of
- If $P(A) = 0.38, P(B) = 0.83$, and $P(A\cap B)=0.57$, then $P(A\cup B) =$ ?
- If $P(A) = 0.62, P(B) = 0.47$, and $P(A\cup B) = 0.88$, then $P(A \cap B) =$ ?
- Two events are mutually exclusive if
- Events that have no sample points in common are called
- The probability of the intersection of two mutually exclusive events
- If two events are mutually exclusive, then the probability of their intersection
- Two events, $A$ and $B$ are mutually exclusive and each has a non-zero probability. If event $A$ is known to occur, the probability of the occurrence of event $B$ is
- If $A$ and $B$ are mutually exclusive events with $P(A)=0.3$ and $P(B)=0.5$, then $P(A \cap B)=$?

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