probability problem. are my answers right?

Question

math2400 · Answer

attachment

amistre64 · Answer

how did you determine your probabilities?

math2400 · Answer

i used the percentages that is given from the problem

amistre64 · Answer

well, you did that for 2 of them ... one of them is not according to your information

math2400 · Answer

ohh  i meant 0.064 for the last one lol. Is that right now?

amistre64 · Answer

thats more in line with your method of reasoning yes :)

but as to its correctness im not sure.  still trying to decipher the jargon in problem

amistre64 · Answer

2 diseases;  d and k ...

9.1% have stages of k

14.1% have k, given d;  and 6.4% have k, given not d

amistre64 · Answer

seems legit to me

math2400 · Answer

ya i thought it was too simple and i wasn't sure if there's more too it. Like do i have to do something with the percentages.

amistre64 · Answer

as far as i can tell, you did the right thing