james wants to have earned $6,686 amount of interest in 18 years. currently he finds that his annual interest rate is 5.42%. calculate how much money james needs to invest as his principal in order to achieve this goal​

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