KekePonds1021
30.03.2021 •
Mathematics
In a survey, 28 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped with a mean of $34.6 and standard deviation of $2.6. 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.
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Ответ:
B
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