An operator of a filling machine plotted the weights of each bag she filled for three weeks. At the same time, a quality inspector randomly took groups of five bags of the same output and plotted the average weights of the samples. The inspector's sampling distribution will:

What are the relative frequencies to the nearest hundredth of the columns of the two-way table? a b group 1 102 34 group 2 18 14

Simplify the expression 10/11(22z) + (a+5) -1

Find the volume of the described solid.the solid lies between planes perpendicular to the x-axis at x = 0 and x=7. the cross sectionsperpendicular to the x-axis between these planes are squares whose bases run from the parabolay=-31x to the parabola y = 30/x.a) 441b) 147c) 864d) 882