Constructing a Confidence Interval for a Population Proportion In a survey funded by a large university, 750 of 1000 adult Seattle residents said they did not believe they could contract a sexually transmitted infection (STI). Construct a 95% confidence interval for the proportion of all adult Seattle residents who don't believe they can contract an STI. Select the correct interval below. O (.728, .772) O (.723, .777) O (.718, .782) O (.713, .878) O (.665, .835)

Construct a 95% confidence interval for p1 - p2 for a survey that finds 30% of 240 males and 41% of 200 females are opposed to the death penalty. Group of answer choices a.(-0.200, -0.021) b.(-1.532, 1.342) c.(-1.324, 1.512) d.(-0.561, 0.651)

Listed below are the amounts of net worth in millions of the 10 wealthiest celebrities in a certain country. Construct a 90% confidence interval. What does the result tell us about the population of all the celebrities? Does the data appear to be from a normally distributed population as required? 247  208  196  173  166  161  148  148  143  143

The National Association of Colleges and Employers sponsors the Graduating Student and Alumni Survey.Part of the survey gauges student optimism in landing a job after graduation. According to one year’s surveyresults, published in American Demographics, among the 1218 respondents, 733 said that they expecteddifficulty finding a job. Construct a 90% confidence interval for the proportion of students who expecteddifficulty finding a job. Interpret your result.

In a survey of 3242 adults aged 57 through 85​ years, it was found that 82.9​% of them used at least one prescription medication. Complete parts​ (a) through​ (c) below.   a. How many of the 3242 subjects used at least one prescription​ medication? ____ ​(Round to the nearest integer as​ needed.)   b. Construct a​ 90% confidence interval estimate of the percentage of adults aged 57 through 85 years who use at least one prescription medication. ____%<p<____% ​(Round to one decimal place as​ needed.)   c. What do the results tell us about the proportion of college students who use at least one prescription​ medication?   A. The results tell us that there is a​ 90% probability that the true proportion of college students who use at least one prescription medication is in the interval found in part​ (b). B. The results tell us​ that, with​ 90% confidence, the probability that a college student uses at least one prescription medication is in the interval found in part​ (b).…

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Ten engineering schools in the US were surveyed. the sample contains 250 electrical engineers, 80 being women; 175 chemical engineers, 40 being women. Compute a 90% confidence interval for the difference between the proportions of women in these two fields of engineering. Select one: O a. (0.02, 0.16) Ob. (0.01, 0.17] O. (0.04, 0.14) O d. [0.03, 0.15]

In the construction of an 88% Confidence Interval for a population mean u, a has the value of

Listed below are the amounts of net worth​ (in millions of​ dollars) of the ten wealthiest celebrities in a country. Construct a 95​% confidence interval. What does the result tell us about the population of all​ celebrities? Do the data appear to be from a normally distributed population as​ required?   245 210 186 168 166 163 156 156 156 156