Submit Question Question 2 We wish to estimate what percent of adult residents in a certain county are parents. Out of 500 adult residents sampled, 375 had kids. Based on this, construct a 90% confidence interval for the proportion, p, of adult residents who are parents in this county. Give your answers as decimals, to three places. ► Jump to Answer 1511-14 X Question 3 4757 < p < Question Help: Video Submit Question Jump to Answer 0/1 pt 3 Details Score on last try: 0 of 1 pts. See Details for more. 0/1 pt O Deta argin of error M.E. that

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A survey asked, "How many tattoos do you currently have on your body?" Of the 1203 males surveyed, 184 responded that they had at least one tattoo. Of the 1067 females surveyed, 133 responded that they had at least one tattoo. Construct a 99% confidence interval to judge whether the prope one tattoo differs significantly from the proportion of females that have at least one tattoo. Interpret the interval. Let p, represent the proportion of males with tattoos and p, represent the proportion of females with tattoos. Find the 99% confidence interval for p, - P2- The lower bound is The upper bound is (Round to three decimal places as needed.)

Solve for B which reads assume prior studies have shown that about 45% of full-time students are in bachelors degree and four years or less. n=