Anew drug on the market is known to cure 20% of patients with breast cancer. if a group of 20 patients is randomly selected, what is the probability of observing, at most, one patient who will be cured of breast cancer? a• (20)/1 (0-20)^1 (0.80)^19 b. 1-(20)/1 (.20)'(0.230) c. (20)/0( .80)^20+(20/)^1(.80)^19 d • (20)/0 (.80)^20 e. 1-(20/)^20 01-(20)10.2010