Mathematics, 09.11.2020 08:20, superfly903
PBS News Hour reported in 2014 that 39.4% of Americans between the ages of 25 and 64 have at least a two-year college degree.† Assume that 55 Americans between the ages of 25 and 64 are selected randomly.
(a) What is the expected number of people with at least a two-year college-degree?
(b)What are the variance and standard deviation for the number of people with at least a two-year college degree? (Round your answers to four decimal places.)
Answers: 3
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