Question

According to the 2008 American Community Survey, 27% of residents of the United States 25 years old or older had earned at least a bachelor’s degree. You are performing a study and would like at least 10 people in the study to have earned at least a bachelor’s degree.
(a) How many residents of the United States 25 years old or older do you expect to randomly select?
(b) How many residents of the United States 25 years old or older do you have to randomly select to have a probability 0.99 that the sample contains at least 10 who have earned at least a bachelor’s degree?


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  • CreatedApril 27, 2015
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