A not-so-sharpshooter has 10% probability of hitting the target on a single shot. He shoots until he hits the target and then stops shooting. a. What is the probability that he shoots exactly 3 times? b. What is the probability that he shoots 2 or more times? c. What is the expected number of shots needed to get a hit (including the hit)?

The means and mean absolute deviations of the individual times of members on two 4x400-meter relay track teams are shown in the table below. means and mean absolute deviations of individual times of members of 4x400-meter relay track teams team a team b mean 59.32 s 59.1 s mean absolute deviation 1.5 s 245 what percent of team b's mean absolute deviation is the difference in the means? 9% 15% 25% 65%

The trigonometric ratios sine and secant are reciprocals of each other

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