If an interactive poll found that 379 of 2246 adults aged


If an interactive poll found that 379 of 2,246 adults aged 18 or older have at least one tattoo. How would I determine the following solutions?

  • Obtain a point estimate for the proportion of adults who have at least one tattoo.
  • ?Construct a 9090?% confidence interval for the proportion of adults with at least one tattoo.
  • ?Construct a 9999?% confidence interval for the proportion of adults with at least one tattoo.
  • ?What is the effect of increasing the level of confidence on the width of the? interval?

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Basic Statistics: If an interactive poll found that 379 of 2246 adults aged
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