Calculus and Above

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A survey asked, "How many...

A survey asked, "How many tattoos do you currently have on your body?" Of the 1204 males surveyed, 184 responded that they had at least one tattoo. Of the 1006 females surveyed, 146 responded that they had at least one tattoo. Construct a 99% confidence interval to judge whether the proportion of males that have at least one tattoo differs significantly from the proportion of females that have at least one tattoo. Interpret the interval.

Let p 1 represent the proportion of males with tattoos and p 2 represent the proportion of females with tattoos. Find the 99% confidence interval for p 1 minus p 2.

Let p 1 represent the proportion of males with tattoos and p 2 represent the proportion of females with tattoos. Find the 99% confidence interval for p 1 minus p 2.

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