In a survey, 32 people were asked how much they spent on their child's last birthday...

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In a survey, 32 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped with a mean of $36 and standard deviation of $10. Find the margin of error at a 90% confidence level. Give your answer to two decimal places. Enter an integer or decimal number [more...] Submit Question In a survey, 32 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped with a mean of $36 and standard deviation of $10. Find the margin of error at a 90% confidence level. Give your answer to two decimal places. Enter an integer or decimal number [more...] Submit Question