■%19 [11. 11. ☎+NA study in which children are randomlyassigned to receive either a newlyformulated vaccine or the currentlyavailable vaccine, and are followed tomonitor for side effects and effectivenessof each vaccine, is an example of whichtype of study?ObservationalExperimentalCase-controlCohortWhich of these formulas best representsthe age-specific death rate?Number of people in a population who diedto a specific cause/ people who diedNumber of people in a population whodied/ total population at midyearNumber of people in a specific age groupwho died/ total population of this agegroupNumber of people in a population who diedto a specific cause / total number of casesOA:-)

“Since you have posted multiple questions, we will provide the solution only to the first question…

A study in which children are randomly assigned to receive either a newly formulated vaccine or the currently available vaccine, and are followed to monitor for side effects and effectiveness of each vaccine, is an example of which type of study? O Observational O Experimental O Case-control O Cohort