Probability and Statistics
Lesson 3.2 Practice Exercises
1. Sampling Mall Shoppers - You...
Mathematics, 31.03.2020 22:20 sbailey0962
Probability and Statistics
Lesson 3.2 Practice Exercises
1. Sampling Mall Shoppers - You have probably seen the mall interviewer, clipboard in hand,
approaching people passing by. Explain why even a large sample of mall shoppers would not
provide a trustworthy estimate of the current unemployment rate in the city where the mall is
located. Is the proportion of unemployed people in the sample likely greater than or less than the
proportion of all people who are unemployed?
Answers: 2
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