n a survey, 23 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped with a mean of $49.5 and standard deviation of $7.5. Estimate how much a typical parent would spend on their child's birthday gift (use(a 80% confidence level). Give your answers to 3 decimal places. Express your answer in the format of ¯x±  E.  $ (?) ± $ (?)

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In a survey, 23 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped with a mean of $49.5 and standard deviation of $7.5. Estimate how much a typical parent would spend on their child's birthday gift (use(a 80% confidence level). Give your answers to 3 decimal places.

Express your answer in the format of ¯x±  E. 

$ (?) ± $ (?)

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