Let x denote the amount of time for which a book on 2-hour reserve at a college library is checked out by a student, and suppose that x has density func- tion f(x)5.5x for 0,x,2. Let x denote the...

Let x denote the amount of time for which a book on 2-hour reserve at a college library is checked out by a student, and suppose that x has density func- tion f(x)5.5x for 0,x,2.

Extracted text: Let x denote the amount of time for which a book on 2-hour reserve at a college library is checked out by a student, and suppose that x has density func- tion f(x) = .5x for () <><2. a.="" what="" is="" the="" mean="" value="" of="" x?="" why="" is="" the="" mean="" value="" not="" 1,="" the="" midpoint="" of="" the="" interval="" of="" posi-="" tive="" density?="" b.="" what="" is="" the="" median="" of="" this="" distribution,="" and="" how="" does="" it="" compare="" to="" the="" mean="" value?="" c.="" what="" proportion="" of="" checkout="" times="" are="" within="" one-half="" hour="" of="" the="" mean="" time?="" what="" propor-="" tion="" are="" within="" one-half="" hour="" of="" the="" median="">