Please help I am just so confused
Tests for medical conditions are not usually 100% accurate. A certain form of cancer affects on in 10,000 people. The test for it gives a true positive result in 98% of cases and a true negative result in 99% of cases.

a) Show that the risk of having this form of cancer if you tested positive is approximately one in 100.

b) Show that if you test negative for this condition, it is almost certain that you do not have it

Question

Please help I am just so confused 
Tests for medical conditions are not usually 100% accurate. A certain form of cancer affects on in 10,000 people. The test for it gives a true positive result in 98% of cases and a true negative result in 99% of cases.

a) Show that the risk of having this form of cancer if you tested positive is approximately one in 100.

b) Show that if you test negative for this condition, it is almost certain that you do not have it

marigirl · Answer

the language is really confusing me, could someone draw me a two way table or something please ..

anonymous · Answer

maybe it state, if u tested positive there are 98% for it to be true

misty1212 · Answer

HI!!

misty1212 · Answer

is it " A certain form of cancer affects ONE in 10,000 people."

marigirl · Answer

Please help I am just so confused.
  Tests for medical conditions are not usually 100% accurate. A certain form of cancer affects one in 10,000 people. The test for it gives a true positive result in 98% of cases and a true negative result in 99% of cases. 
a) Show that the risk of having this form of cancer if you tested positive is approximately one in 100. 
b) Show that if you test negative for this condition, it is almost certain that you do not have it

marigirl · Answer

@misty1212