I think it is D
Hope help
Answer: 1:2
Step-by-step explanation:
Answer :
The change of occurring an event is known as Probability.
You can solve probability questions by following some formulas
Conditional probability- P ( A l B ) = P ( A ^ B ) / P (B)
Bayes - P (A l B) = P (B l A)
P (A) / P (B)
Complementary- P(A^c) + P (A) = 1
