Concept explainers
Using Normal Approximation. In Exercises 5–8, do the following: If the requirements of np ≥ 5 and nq ≥ 5 are both satisfied, estimate the indicated
8. Guessing on Standard Tests With n = 50 guesses and p = 0.2 for a correct answer, find P(exactly 12 correct answers).
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Chapter 6 Solutions
Elementary Statistics (13th Edition)
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