Suppose the heights of the members of a population follow a normal distribution. if the mean height of the population is 68 inches and the standard deviation is 4 inches, 99.7% of the population will have a height
within which of the following ranges?

a. 56 inches to 80 inches
b. 64 inches to 72 inches
c. 60 inches to 76 inches
d. 52 inches to 84 inches

Which statement is true? n is a point of tangency on circle p. pt is a secant of circle p. is a secant of circle p. vu is a tangent of circle p.

Graph the system of inequalities presented here on your own paper, then use your graph to answer the following questions: y > 2x + 3y is less than negative 3 over 2 times x minus 4part a: describe the graph of the system, including shading and the types of lines graphed. provide a description of the solution area. (6 points)part b: is the point (â’4, 6) included in the solution area for the system? justify your answer mathematically. (4 points)

Bc and bd are opposite rays. all of the following are true except a)a,b,c,d are collinear b)a,b,c,d are coplanar c)bc=bd d)b is between c and d