The population of men with a localized prostate tumor and a

The population of men with a localized prostate tumor and a certain pretreatment has been studied. It was found that the probability of 5-year survival is equal to 0.8. The mean number of patients among 20 patients with a localized prostate tumor and a pretreatment that survive 5 years is?

Solution

Mean = n p = 20*0.8 = 16 [ANSWER]