In a sample of water specimens taken from a construction site, contained detectable levels of lead. Construct a confidence interval for the proportion of water specimens that contain detectable levels of lead.

What are the relative frequencies to the nearest hundredth of the columns of the two-way table?

Find the directions in which the function increases and decreases most rapidly at upper p 0p0. then find the derivatives of the function in these directions. f(x,y)equals=x squared plus xy plus y squaredx2+xy+y2, upper p 0p0left parenthesis 1 comma negative 4 right parenthesis

Segment wx is shown explain how you would construct a perpendicular bisector of wx using a compass and a straightedge