Plsss help it’s due tmr. The scatter plot shows the average height of people ages 2-12 in a certain country. Which of the lines shown is a reasonable trend line for the scatter plot? Use
paper and pencil. How can a scatter plot have more than one linear model? How do
you decide which model to use? Explain your reasoning.

Answer these questions showing your work plz

Empty box + box + empty box fill in the box is equal to 30 how

Suppose that 3% of all athletes are using the endurance-enhancing hormone epo (you should be able to simply compute the percentage of all athletes that are not using epo). for our purposes, a “positive” test result is one that indicates presence of epo in an athlete’s bloodstream. the probability of a positive result, given the presence of epo is .99. the probability of a negative result, when epo is not present, is .90. what is the probability that a randomly selected athlete tests positive for epo? 0.0297