Teaching EMRS PGT Mock Test 2023 Mathematics Probability Conditional Probability

यदि A और B दो घटनाएँ हैं जैसे P(A) = 0.3, P(B) = 0.5 और P(A | B) = 0.4 तो P(A ∪ B) ज्ञात कीजिए?

1
0.6
2
0.5
3
0.75
4
इनमें से कोई नहीं
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