Mutually exclusive events and the addition law: check 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.
Mutually exclusive events and the addition law: review variant 1
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|B).
Enter one number or fraction. Use at least six decimal places when needed; a distribution calculator may be used for probabilities.
Mutually exclusive events and the addition law: check 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.
Mutually exclusive events and the addition law: review variant 2
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(A union B).
Enter one number or fraction. Use at least six decimal places when needed; a distribution calculator may be used for probabilities.
Mutually exclusive events and the addition law: check 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.
Mutually exclusive events and the addition law: review variant 3
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 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.
Mutually exclusive events and the addition law: check 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.
Mutually exclusive events and the addition law: review variant 4
Difficulty: ★★☆Info
Maths4U Original · Short practice
A group contains 124 people. 34 belong to A, 56 belong to B, and 22 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.