Doctors at a research hospital are conducting a study to see if flu patients received a flu vaccination in the past year. To collect their data, they ask each person treated for the flu at their hospital whether they received the vaccination. Identify the correct experiment, trial, and outcome below: Select all that apply: The experiment is recording the number of patients who say that they have received the flu vaccine. The experiment is asking all flu patients in the hospital whether they received the vaccine. A trial is asking one patient if they have been vaccinated. The trial is identifying recording the number of patients who say that they have received the flu vaccine. An outcome is no, the person was not vaccinated. An outcome is asking one specific person whether they have received the flu vaccination