Roger's Tea Shop has caffeinated tea and decaffeinated tea. During the lunchtime rush, the tea shop served 100 teas in all, 20% of which were caffeinated. How many caffeinated teas did the tea shop serve?

Find the equation of the trend line (line of best fit). show your work i'm using the points (34,76) (42,91)

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

Indicate the formula for the following conditions: p^c(n,r)=