Chapter 21 Answers

Chapter 21 Answers - b) Yes, (9.9%, 14.1%) 4. a) 54.3%...

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Chapter 21 Answers 1. a) 72% ± 2.24% b) Yes, (67.5%, 76.5%) 2. a) 3% ± 1.71% b) No, the sample percentage is too far skewed to use the normal approximation without taking a larger sample. 3. a) Yes, (39.9%, 46.1%)
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Unformatted text preview: b) Yes, (9.9%, 14.1%) 4. a) 54.3% 3.15% b) (47.1%, 57.1%) No, the interval dips below 50%. c) (50.9%, 56.1%) Yes. 5. 11.2% to 26.8%. The owner should not open the shop....
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