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Tanya [424]
3 years ago
12

If P(A)=2/3, P(B)=4/5, and P(A U B) =11/15, what is P(A ∩ B)?

Mathematics
2 answers:
Evgen [1.6K]3 years ago
7 0

Answer:

P(A ∩ B) = \frac{11}{15}

Step-by-step explanation:

If P(A)=2/3, P(B)=4/5, and P(A U B) =11/15

we need to find out  P(A ∩ B)

P(A U B) = P(A) + P(B) - P(A ∩ B)

Now we add P(A ∩ B) on both sides and subtract P(A U B) from both sides

P(A ∩ B) = P(A) + P(B)- P(A U B)

now we plug in the values

P(A ∩ B) = \frac{2}{3} + \frac{4}{5} - \frac{11}{15}

Make the denominators same . LCD  is 15

P(A ∩ B) = \frac{10}{15} + \frac{12}{15} - \frac{11}{15}

P(A ∩ B) = \frac{22}{15}-\frac{11}{15}

P(A ∩ B) = \frac{11}{15}

Juliette [100K]3 years ago
3 0
The answer is A on apex 
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