Asample of 469 teenage births at a large city hospital is observed for the number of births resulting in twins. the 95% confidence interval for the proportion of all births among teenage girls resulting in twins was estimated to be (0.006, 0.026). what is the margin of error for this interval?

The human resources manager at a company records the length, in hours, of one shift at work, x. he creates the probability distribution below. what is the probability that a worker chosen at random works at least 8 hours? probability distribution px(x) 6 hours 7 hours 8 hours 9 hours 10 hours 0.62 0.78 пол