The average height of young adult males has a normal distribution with standard deviation of 2.2 inches. You want to estimate the mean height of students at your college or university to within one inch with 93% confidence. How many male students must you measure? (Round your answer up the nearest whole number.)

On traditional maps, earth is represented in a flat plane, or by euclidean geometry. however, a globe is a more accurate model that comes from elliptical geometry.how does a globe represent the fact that there are no parallel lines in elliptical geometry? the equator is not parallel to any other latitudinal lines. the north and south poles are never connected by a geodesic. the geodesics connecting the north and south poles never intersect. the geodesics connecting the north and south poles intersect at both of the poles.