In a sharpshooting competition, competitors shoot a total of 20 targets. The table below shows the probabilities associated with hitting a certain number of targets. Some
shooters are perfect and the poorest shooters hit at least 15 targets.

What is the expected number of hits that a shooter will have?
Shooting Accuracy out of 20 shots
# of Hits 15 16 17 18 19 20
Probability 0.04 0.12 0.35 0.28 0.18 0.03
O 15
O 17.53
O 16.7
O 17.5

Circle d circumscribes abc and abe. which statements about the triangles are true? statement i: the perpendicular bisectors of abc intersect at the same point as those of abe. statement ii: the distance from c to d is the same as the distance from d to e. statement iii: bisects cde. statement iv: the angle bisectors of abc intersect at the same point as those of abe. a. i only b. i and ii c. ii and iv d. i and iii e. iii and iv