A new treatment for cancer was tested in a group of 100 canc

A new treatment for cancer was tested in a group of 100 cancer patients. Of the 100 patients, 50 were randomly assigned to receive the new treatment, and 50 were assigned to receive the existing treatment. Below is a table of the results:

Outcome

Drug Assignment

Cancer free in 6 months

Still has Cancer after 6 months

New Treatment

30

20

Existing Treatment

15

35

Round your answer to 4 decimal places

Solution