Math, asked by nagendraprasadswain3, 7 days ago

|A union B| + |A interjection B| = 18, |A|= 13, |B| = ?​

Answers

Answered by notmee
1

Answer:

P(B) = 5 is the required answer.

Step-by-step explanation:

P( A U B) = P(A) + P(B) - P(A ∩ B)

P(B) = P( A U B) + P(A ∩ B) - P(A)

P(B) = 18-13 = 5

P(B) = 5

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