According to a recent poll, 40% of shoppers planned to spend $1000 or more during a holiday season. The margin of error was 4%. How many people were surveyed?
600
38
-1400
1000

What is 1/2 x (6 x 4)+3 + 2 show your work

Identify the type of observational study described. a statistical analyst obtains data about ankle injuries by examining a hospital's records from the past 3 years. cross-sectional retrospective prospective

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