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 probability by using the
7. Guessing on Standard Tests With n = 20 guesses and p = 0.2 for a correct answer, find P(at least 6 correct answers).
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Chapter 6 Solutions
Pearson eText for Essentials of Statistics -- Instant Access (Pearson+)
Additional Math Textbook Solutions
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