D 2. Squares, rectangles, and rhombi åre types of trapezoids.
True
O
False

Asimple random sample of size nequals14 is drawn from a population that is normally distributed. the sample mean is found to be x overbar equals 70 and the sample standard deviation is found to be sequals13. construct a 90% confidence interval about the population mean

Standard deviation of 19,29,21,22,23

Find the condition that the zeros of the polynomial f(x) = x^3+3px^2+3px+r may be in a.p.