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A market researcher selected 200 people at random from a group of people who indicated that they liked a certain book. The 200 people were shown a movie based on the book and then asked whether they liked or disliked the movie. Of those surveyed, 95% said
You work for a financial information website. You draw a random sample of 100 subscribers and determine that their mean income is $68,500. Which statement is true?
No he does not have enough at all

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