Suppose that among gifted seventh-graders who score very high on a mathematics exam, approximately 20% are left-handed
Question:
(a) Using Table II in Appendix B.
(b) Approximately, using the central limit theorem.
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Related Book For
Probability and Statistical Inference
ISBN: 978-0321923271
9th edition
Authors: Robert V. Hogg, Elliot Tanis, Dale Zimmerman
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