Respuesta :

mhanifa

Answer:

  • 0.5

Step-by-step explanation:

  • P(A) = 0.3
  • P(B) = 0.4
  • P(A ∪ B) = 0.2
  • P(A∩B) = x

Use below formula and find the missing probability:

  • P(A∪B) = P(A) + P(B) - P(A∩B)
  • 0.2 = 0.3 + 0.4 - x
  • x = 0.7 - 0.2
  • x = 0.5

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