Qual o numero de habitantes em Ubaitaba ​

I'm being volume of cylinder with 13 in. radius and 30 in height answer choices in pic

Ineed in figuring out this problem.

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