2. A principal at a school is worries that his students are below average intelligence. A random sample of 300 students' IQ scores was taken and 183 of them had an IQ below average. Given that IQ scores are
Normally distributed and 57% of students have a below average IQ's, is there sufficient evidence to
support the principal's claim? Test the claim at .05 significance level.

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