4.1.14 Find the proportion X of individuals who can be expected to respond to a certain mail-order solicitation if X has the density function below. 2(x + 5) 0

Extracted text: 4.1.14 Find the proportion X of individuals who can be expected to respond to a certain mail-order solicitation if X has the density function below. 2(x + 5) 0<>< 1,="" f(x)="" 11="" 0.="" elsewhere="" the="" proportion="" of="" individuals="" who="" can="" be="" expected="" to="" respond="" to="" the="" solicitation="" is="" (type="" an="" integer="" or="" a="" simplified="" fraction.)="" enter="" your="" answer="" in="" the="" answer="" box="" and="" then="" click="" check="">