Experiments, events and outcomes: check 1
Difficulty: ★★☆Info
Maths4U Original · Short practice
A group contains 104 people. 29 belong to A, 46 belong to B, and 17 belong to both.
Find P(A|B).
Enter one number or fraction. Use at least six decimal places when needed; a distribution calculator may be used for probabilities.
Experiments, events and outcomes: review variant 1
Difficulty: ★★☆Info
Maths4U Original · Short practice
A group contains 108 people. 30 belong to A, 48 belong to B, and 18 belong to both.
Find P(A|B).
Enter one number or fraction. Use at least six decimal places when needed; a distribution calculator may be used for probabilities.
Experiments, events and outcomes: check 2
Difficulty: ★★☆Info
Maths4U Original · Short practice
A group contains 108 people. 30 belong to A, 48 belong to B, and 18 belong to both.
Find P(A union B).
Enter one number or fraction. Use at least six decimal places when needed; a distribution calculator may be used for probabilities.
Experiments, events and outcomes: review variant 2
Difficulty: ★★☆Info
Maths4U Original · Short practice
A group contains 112 people. 31 belong to A, 50 belong to B, and 19 belong to both.
Find P(A union B).
Enter one number or fraction. Use at least six decimal places when needed; a distribution calculator may be used for probabilities.
Experiments, events and outcomes: check 3
Difficulty: ★★☆Info
Maths4U Original · Short practice
A group contains 112 people. 31 belong to A, 50 belong to B, and 19 belong to both.
Find P(B|not A).
Enter one number or fraction. Use at least six decimal places when needed; a distribution calculator may be used for probabilities.
Experiments, events and outcomes: review variant 3
Difficulty: ★★☆Info
Maths4U Original · Short practice
A group contains 116 people. 32 belong to A, 52 belong to B, and 20 belong to both.
Find P(B|not A).
Enter one number or fraction. Use at least six decimal places when needed; a distribution calculator may be used for probabilities.
Experiments, events and outcomes: check 4
Difficulty: ★★☆Info
Maths4U Original · Short practice
A group contains 116 people. 32 belong to A, 52 belong to B, and 20 belong to both.
Find the probability of belonging to neither event.
Enter one number or fraction. Use at least six decimal places when needed; a distribution calculator may be used for probabilities.
Experiments, events and outcomes: review variant 4
Difficulty: ★★☆Info
Maths4U Original · Short practice
A group contains 120 people. 33 belong to A, 54 belong to B, and 21 belong to both.
Find the probability of belonging to neither event.
Enter one number or fraction. Use at least six decimal places when needed; a distribution calculator may be used for probabilities.