WorksheetsProbability Rules Quiz
Total questions: 15
Worksheet time: 8mins
What is the Addition Rule used for in probability?
Finding the probability of either of two events occurring
Finding the probability of both events occurring
Finding the probability of independent events
Finding the probability of an event not occurring
Which of the following describes mutually exclusive events?
Events that are independent of each other
Events that can occur at the same time
Events that cannot occur at the same time
Events that have the same probability
If the probability of event A is 0.4 and event B is 0.3, what is P(A ∪ B) if A and B are mutually exclusive?
0.3
0.4
0.7
0.1
What is the probability of rolling a 2 or a 5 on a fair six-sided die?
1/6
1/3
2/6
1/2
In a standard deck of 52 cards, what is the probability of drawing either a King or a Queen?
1/13
8/52
4/52
2/13
What is the probability of picking a boy from a class of 30 students with 12 boys?
1/3
1/2
18/30
12/30
What does the Complement Rule in probability help to find?
The probability of an event occurring
The probability of two events occurring together
The probability of mutually exclusive events
The probability of an event not occurring
If two events are independent, how do you find the probability of both occurring?
Use the Complement Rule
Subtract their probabilities
Multiply their probabilities
Add their probabilities
What is the probability of selecting either a data scientist or a data analyst if their probabilities are 0.4 and 0.3 respectively?
0.3
0.1
0.7
0.4
In the context of probability, what does P(A ∪ B) represent?
The probability of both A and B occurring
The probability of neither A nor B occurring
The probability of either A or B occurring
The probability of A occurring given B
Which of the following is NOT a key probability rule discussed in the module?
Subtraction Rule
Complement Rule
Multiplication Rule
Addition Rule
If the probability of event A is 1/6, what is the probability of not A occurring?
1/2
1/3
1/6
5/6
What is the total probability of picking a boy or a girl from a class of 30 students?
0.5
1
0.75
0.25
Which rule would you use to find the probability of two mutually exclusive events?
Independence Rule
Complement Rule
Multiplication Rule
Addition Rule
What is the probability of rolling a number greater than 4 on a six-sided die?
2/6
1/3
1/6
1/2
