Question

The probabilities by subject of on-time assignment submission and on-time arrival in class are given in the table.

Subject On-time Assigment
Submission On-time Arrival
in Class
Physics 89.7% 82.3%
Math 88.2% 88.7%
Chemistry 89.4% 83.1%
Biology 90.1% 82.4%
Total 88.5% 84.7%


What is the probability of on-time arrival in class given that the subject is biology?

Answer 1

90.1%
88.5%
84.7%
82.4%
insufficient data

Answer 2

I think its E