baileyhollick25 baileyhollick25
  • 26-07-2024
  • Mathematics
Answered

In a survey, 22 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 and standard deviation of $11. Construct a confidence interval at a 80% confidence level.

Give your answers to one decimal place.

Incorrect



Answer :

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