Probability

The post is about the MCQs Probability Test. There are 20 multiple-choice questions covering topics related to the Basics of Probability, addition and multiplication rules of probability, events, and types of events. Let us start with MCQs Probability Quiz with Answers.

MCQs Probability Quiz with Answers

• If $A$ and $B$ are mutually exclusive events with $P(A) = 0.3$ and $P(B) = 0.5$, then $P(A \cup B) =?$
• In an experiment, $A$ and $B$ are mutually exclusive events, if $P(A)=0.6$, then the probability of $B$
• Which of the following statements is(are) always true?
• One of the basic requirements of probability is
• Events $A$ and $B$ are mutually exclusive with $P(A)=0.3$ and $P(B) = 0.2$. The probability of the complement of Event $B$ equals
• The multiplication law is potentially helpful when we are interested in computing the probability of
• If $P(A) =0.80$, $P(B)=0.65$, and $P(A\cup B) = 0.78$, then $P(B|A) =$?
• If two events are independent, then
• If $A$ and $B$ are independent events with $P(A)=0.38$ and $P(B)=0.55$, then $P(A|B)=$?
• If $X$ and $Y$ are mutually exclusive events with $P(X) = 0.295, P(Y) = 0.32$, then $P(X|Y)=$?
• What is the probability that a ball is drawn at random from a jar?
• In statistics, a number between ———- is used to express the probability that an event will occur.
• Two events are ———- if the occurrence of one event changes the probability of the other event.
• What does Bayes’s theorem enable data professionals to calculate?
• What is conditional probability?
• Suppose two events occur: The first event is drawing an ace from a standard deck of playing cards, and the second event is drawing another ace from the same deck. Note that the first ace is not reinserted into the deck after it is drawn. What term is used to describe these two events?
• ———— probability is the updated probability of an event based on new data.
• The probability of rain tomorrow is 40%. What is the probability of the complement of this event?
• Two events are ———– if the occurrence of one event does not change the probability of the other event.
• A jar contains four marbles: Two marbles are red, one is green, and one is blue. One marble is taken from the jar. What is the probability that the marble is blue?

R Frequently Asked Questions

gmstat Online Quiz Website

Online MCQs Probability Quiz with Answers. There are 20 multiple-choice questions covering topics related to the addition rule of probability, multiplication rule of probability, conditional probability, random experiment, and objective and subjective probability. Let us start with the MCQs Probability Quiz.

Please go to Important MCQs Probability Quiz 2 to view the test

MCQs Probability Quiz with Answers

• Which of the following is not a correct statement about a probability
• The collection of one or more outcomes from an experiment is called
• If the occurrence of one event means that another cannot happen, then the events are
• In which approach to probability the outcomes are equally likely to occur?
• In the special rule of addition of probability, the events are always
• The joint probability is
• The special rule of multiplication of probability, the events must be
• A listing of the possible outcomes of an experiment and their corresponding probability is called
• Which of the following is not an example of a discrete probability distribution?
• Which of the following is not a condition of the binomial distribution?
• In a Poisson probability distribution
• If a card is chosen from a standard deck of cards, what is the probability of getting a five or a seven?
• If you roll a pair of dice, what is the probability that (at least) one of the dice is a 4 or the sum of the dice is 7?
• If a card is chosen from a standard deck of cards, what is the probability of getting a diamond (♦) or a club(♣)?
• The probability of occurrence of an event lies between
• The tail or head, one or zero, and girl and boy are examples of
• If $P(E)$ is the probability that an event will occur, which of the following must be false?
• The addition rule states that, if the events $A$ and $B$ are ———-, then the probability of $A$ or $B$ happening is the sum of the probabilities of $A$ and $B$.
• Objective probability is based on personal feeling, experience, or judgment.
• The probability of no snow equals 1 minus the probability of snow. This is an example of what rule of probability?

https://rfaqs.com

https://gmstat.com

The post contains MCQs Probability Questions with Answers. There are 20 multiple-choice questions covering topics related to the statistical experiment, basics of probability, sample space, addition rule of probability, multiplication rule of probability, and conditional probability. Let us start with MCQs Probability Questions.

Please go to Important MCQs Probability Questions 1 to view the test

MCQs Probability Questions with Answers

• The Complement of $P(A|B)$ is
• The probability of an intersection of two events is computed by using the
• If two events $A$ and $B$ are mutually exclusive events, then
• The range of probability is
• In a statistical experiment, each time the experiment is repeated
• The set of all possible outcomes (sample points) is called
• The sample space (experimental outcomes) refers to
• An experiment that consists of tossing 4 coins successively. The number of sample points in this experiment is
• On a December day, the probability of snow is 0.30. The probability of a “cold” day is 0.50. The probability of snow and a “cold” is 0.15. Do snow and “cold” weather are independent events?
• If $P(A)=0.5$ and $P(B)=0.5$, then $P(A \cap B)$ is
• If $A$ and $B$ are independent events with $P(A)=0.6$ and $P(B)=0.6$, then $P(A \cap B)=$?
• If events $A$ and $B$ are independent events with $P(A)=0.2$ and $P(B)=0.6$, then $P(A \cup B)=$?
• If $A$ and $B$ are independent events with $P(A)=0.4$ and $P(B)=0.25$, then $P(A \cup B)=$?
• Events $A$ and $B$ are mutually exclusive. Which of the following statements is true?
• If events $A$ and $B$ are independent events with $P(A)=0.05$ and $P(B)=0.65$, then $P(A|B)=$?
• A six-sided die is tossed three times. The probability of observing three ones in a row is
• If $P(A|B)=0.3$
• If events $A$ and $B$ are independent events with $P(A)=0.1$ and $P(B)=0.4$, then
• If $P(A|B)=0.3$ and $P(B)=0.8$, then
• If $P(A)=0.6$, $P(B)=0.3$, and $P(A \cap B)=0.2$, then $P(B|A)=$?

https://gmstat.com

https://rfaqs.com