What is the 7th term in the geometric sequence described by this explicit an= - (3) (n - 1)

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

I’m stuck on this equation, anyone got the answer?

In a timed typing test lara typed 63 words per minute.estimate the number of words she should be able to type in half in hour show your work