B In a large clinical trial, 392,551 children were randomly assigned to two groups. The treatment group consisted of 197,704 children given a vaccine for a certaindisease, and 40 of those children developed the disease. The other 194,847 children were given a placebo, and 155 of those children developed the disease. ConsiderBe the vaccine treatment group to be the first sample. Identify the values of n. Pl... 262, P, and aECGEa n-ext-(Type an Integer or a decimal rounded to elight decimal places as needed)G-le (Type an integer or a decimal rounded to eight decimal places as needed)udyoralcesesou 2 =D(Type an integer or a decimal rounded to eight decimal places as needed)urchbolsem (Type an integer or a decimal rounded to eight decimal places as needed)p=(Type an integer or a decimal rounded to eight decimal places as needed.)(Type an integer or a decimal rounded to eight decimal places as needed.)Next