What is the probability that a customer ordered a medium given that he or she ordered a hot drink?

Ineed to know the ordered pairs for this equation i need the answer quick because it’s a timed test

Which of the following represents a function? 50 !

Which of the following is the major negative aspect of crossover designs for research studies? a. prohibitive cost b. residual effects c-subject drepout d. incomplete randomization e. large sample size required