Chat with AIExam 32: Variability in Samples
Exam 1: Reasoning About Quantities34 Questions
Exam 2: Numeration Systems96 Questions
Exam 3: Understanding Whole Number Operations66 Questions
Exam 4: Some Conventional Ways of Computing17 Questions
Exam 5: Using Numbers in Sensible Ways38 Questions
Exam 6: Meanings for Fractions85 Questions
Exam 7: Computing With Fractions54 Questions
Exam 8: Multiplicative Comparisons and Multiplicative Reasoning19 Questions
Exam 9: Ratios, Rates, Proportions, and Percents33 Questions
Exam 10: Integers and Other Number Systems24 Questions
Exam 11: Number Theory57 Questions
Exam 12: What Is Algebra28 Questions
Exam 13: A Quantitative Approach to Algebra and Graphing18 Questions
Exam 14: Understanding Change: Relationships Among Time, Distance, and Rate10 Questions
Exam 15: Further Topics in Algebra and Change55 Questions
Exam 16: Polygons75 Questions
Exam 17: Polyhedra51 Questions
Exam 18: Symmetry17 Questions
Exam 19: Tessellations9 Questions
Exam 20: Similarity47 Questions
Exam 21: Curves, Constructions, and Curved Surfaces17 Questions
Exam 22: Transformation Geometry24 Questions
Exam 23: Measurement Basics21 Questions
Exam 24: Area, Surface Area, and Volume27 Questions
Exam 25: Counting Units Fast: Measurement Formulas31 Questions
Exam 26: Special Topics in Measurement21 Questions
Exam 27: Quantifying Uncertainty39 Questions
Exam 28: Determining More Complicated Probabilities37 Questions
Exam 29: Introduction to Statistics and Sampling7 Questions
Exam 30: Representing and Interpreting Data With One Variable32 Questions
Exam 31: Dealing With Multiple Data Sets or With Multiple Variables8 Questions
Exam 32: Variability in Samples21 Questions
Exam 33: Special Topics in Probability16 Questions
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A drug company wants to judge the effectiveness of a new drug by testing it on a sample of people. They would like to know the percent that the drug will help within 0.5%.
A) They ask you for advice on how many people they should test. What do you say?
B) What assumptions did you make in your work in part A?
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