(Step-by-Step) Doctoral Students’ Salaries. Nationally, at least 60% of Ph.D. students have paid assistantships. A college dean feels that this is not true
Question: Doctoral Students’ Salaries. Nationally, at least 60% of Ph.D. students have paid assistantships. A college dean feels that this is not true in his state, so he randomly selects 50 Ph.D. students and finds that 26 have assistantships. At a = 0.05, is the dean correct?
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