I got $25 for my birthday. im saving $40 each week. i need $210. how long will it take to save up?

What is the value of x? enter your answer in the box. photo attached.

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

What are the values of each variable in the diagram below?