An interactive poll found that 349 of 2,336 adults aged 18 or older have at least one tattoo.
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Mathematics, 28.02.2020 20:02 zoelynn8386
An interactive poll found that 349 of 2,336 adults aged 18 or older have at least one tattoo.
(a) Obtain a point estimate for the proportion of adults who have at least one tattoo.
(b) Construct a 95% confidence interval for the proportion of adults with at least one tattoo.
(c) Construct a 98% confidence interval for the proportion of adults with at least one tattoo.
(d) What is the effect of increasing the level of confidence on the width of the interval?
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