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An interactive poll found that 356 of 2314 adults aged 18


An interactive poll found that 356 of 2314 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.

P=

(b) Construct a 95 % confidence interval for the proportion of adults with at least one tattoo.

Lower bound _____    (round to three decimals)

Upper bound _____   (round to three decimals)

(c) Construct a 99 % confidence interval for the proportion of adults with at least one tattoo.

Lower bound _____    (round to three decimals)

Upper bound _____   (round to three decimals)

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