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Mathematics, 09.05.2021 04:30 HelloPeps
In a survey, 29 people were asked how much they spent on their child's last birthday gift. The results were
roughly bell-shaped with a mean of $30.8 and standard deviation of $13.6. Estimate how much a typical
parent would spend on their child's birthday gift (use a 90% confidence level). Give your answers to 3
decimal places.
Fxpress your answer in the format of 2 + E.
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Answers: 2
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Having a hard time understanding this question (see attachment).
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In a survey, 29 people were asked how much they spent on their child's last birthday gift. The resul...
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