What is an observational study An visional study is a list of all individuals in

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What is an observational study An visional study is a list of all individuals in a population along with certain characteristics of each individual An observational study is when a researched asking Approximately 10% of American high school students drop out before graduation. Suppose .20 are selected at random Find the probability that all 20 of the selected students stayed m school and graduated. To receive full credit. you must show your work using the correct input for one of our calculator functions

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