In a survey, 30 people were asked how much they spent on their last shopping trip. The results wer roughly bell-shaped with a mean of $30 and standard deviation of $4. We find a 81% confidence...

In a survey, 30 people were asked how much they spent on their last shopping trip. The results wer<br>roughly bell-shaped with a mean of $30 and standard deviation of $4.<br>We find a 81% confidence interval to be 29.02 < µ < 30.98.<br>Write an interpretion of the confidence interval in the context of this problem.<br>

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Jun 06, 2022

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In a survey, 30 people were asked how much they spent on their last shopping trip. The results wer roughly bell-shaped with a mean of $30 and standard deviation of $4. We find a 81% confidence...

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