Random Experiments and Events
Math ⇒ Statistics and Probability
Random Experiments and Events starts at 8 and continues till grade 12.
QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Random Experiments and Events.
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See sample questions for grade 10
A random experiment is repeated 100 times and event A occurs 25 times. What is the experimental probability of A?
Define a sample space in the context of random experiments.
Describe what is meant by 'equally likely outcomes' in a random experiment.
If a card is drawn at random from a standard deck, what is the probability of getting a heart?
A random experiment is repeated 100 times and event A occurs 25 times. What is the experimental probability of A?
If event A = {1, 2, 3} and event B = {3, 4, 5} in sample space S = {1, 2, 3, 4, 5}, what is A ∩ B?
If event A = {1, 2, 3} and event B = {3, 4, 5} in sample space S = {1, 2, 3, 4, 5}, what is A ∪ B?
A bag contains 4 red balls, 5 blue balls, and 3 green balls. If one ball is drawn at random, what is the probability that it is not blue?
Which of the following is a certain event? (1) Getting a number less than 7 when rolling a die (2) Getting a head when tossing a coin (3) Getting a king from a deck of cards (4) Getting a number greater than 6 when rolling a die
Which of the following is a compound event? (1) Getting a 3 when rolling a die (2) Getting a head when tossing a coin (3) Getting an even number when rolling a die (4) Getting a king from a deck of cards
Which of the following is a random experiment? (1) Predicting tomorrow's weather (2) Rolling a fair die (3) Reading a newspaper (4) Writing a poem
Which of the following is a random experiment? (1) Tossing a coin (2) Measuring the length of a table (3) Reading a book (4) Writing an essay
A random experiment is an action or process that leads to one or more ______ outcomes.
A simple event is an event that consists of ______ outcome(s).
An event that contains all possible outcomes of a random experiment is called a ______ event.
If A and B are two events, the intersection of A and B is the set of outcomes that are in ______.
Is it possible for an event to have no outcomes?
True or False: The complement of a sure event is an impossible event.
True or False: The event 'getting a 7 when rolling a die' is an impossible event.
True or False: The event 'getting an even number' when rolling a die is a simple event.
