Researchers studied the mean egg length (in millimeters) for a bird population. after taking a random sample of eggs, they obtained a 95% confidence interval of (45,60). what is the value of the margin of error?

Which political reform gave people the power to put a proposed law on the ballot? referendum initiative direct primary recall

What were the death camps? who was sent there?

Martin, a 32-year-old human relations administrator at a university, believes that all professors over age 50 are incapable of learning the new educational technologies and are content to keep presenting their same "tired, boring" lectures. he often expresses these views to other administrators and does not encourage any of the "older" faculty members to attend professional development meetings related to new teaching approaches nor does he suggest that the university send them to any of the technology conferences. martin is exhibiting