The answer is positive because its is going in the positive column
The tree diagram of the problem above is attached
There are four outcomes of the two events,
First test - Cancer, Second Test - Cancer, the probability is 0.0396
First test - Cancer, Second Test - No Cancer, the probability is 0.0004
First test - No Cancer, Second Test - There is cancer, the probability is 0.0096
First test - No cancer, Second Test - No cancer, the probability is 0.9054
The probability of someone picked at random has cancer given that test result indicates cancer is

The probability of someone picked at random has cancer given that test result indicates no cancer is
Two at the top (side by side)
Two at the bottom ☝
One on right side
One on left side
And grandfather in the middle
Answer: B aka (3’2) + (3’2)
Step-by-step explanation:
I got it right on Edge 2021, good luck! Also if right, can you please mark Brainliest?