WorksheetsBasic Concept of Probability
Total questions: 10
Worksheet time: 5mins
Which of the following best describes 'Probability'?
A measure of the likelihood of an event occurring.
A calculation of the total number of events.
A way to measure the speed of an event.
A method for predicting future trends.
If two events are mutually exclusive, what is true about them?
The two events can occur at the same time.
The two events are independent of each other.
The two events cannot occur simultaneously.
One event must happen if the other does not.
What is the probability of rolling a 3 on a fair six-sided die?
1/2
1/4
1/6
2/6
In a standard deck of cards, what is the probability of drawing a heart?
1/2
1/4
1/3
1/5
What does it mean if an event has a probability of 0?
The event has a 50% chance of occurring.
The event is highly likely to happen.
The event will happen eventually.
The event cannot happen.
What is the sum of probabilities of all possible outcomes of a random experiment?
0.5
2
1.5
1
If the probability of event A is 0.7, what is the probability of event A not occurring?
0.1
0.3
0.5
0.9
Which of the following is an example of independent events?
Rolling two dice and adding the results
Drawing a card from a deck and flipping a coin
Choosing a number and spinning a roulette wheel
Flipping a coin and rolling a die
What is the term for the likelihood of an event occurring based on past data?
Probability
Forecasting
Chance
Risk Assessment
In probability, what does 'P(A and B)' represent?
The probability of both events A and B occurring.
The probability of either event A or B occurring.
The probability of event A occurring only.
The probability of event B occurring only.
