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Find the margin of error at confidence level

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Reference no: EM132355102

In a survey, 11 people were asked how much they spent on their child's last birthday gift. The results were roughly shaped as a normal curve with a mean of $44 and standard deviation of $7. Find the margin of error at a 80% confidence level.

m=

Give your answer to two decimal places

Reference no: EM132355102

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