The probability is the ratio of the favorable event to the total number of events. Then the probability P(Y|B) will be 0.4, then the correct option is C.
What is probability?
Probability means possibility. It deals with the occurrence of a random event. The value of probability can only be from 0 to 1. Its basic meaning is something is likely to happen.
The probability P(Y|B) will be given as
[tex]\rm P(Y|B) = \dfrac{34}{85}\\\\P(Y|B) = 0.4[/tex]
More about the probability link is given below.
https://brainly.com/question/795909
