Out of 156 Nielsen families surveyed about their viewing habits, 43 felt that television was too violent. What is the 99% confidence interval for the proportion of viewers that feel television is too violent? o 0.226 < p < 0.324 o 0.302 < p < 0.389 o 0.199 < p < 0.358 o 0.183
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- What is meant by the sample space of an experiment?A sample of 250 items from lot A contains 10 defective items, and a sample of 300 itemsfrom lot B is found to contain 18 defective items. Construct a 98% confidence interval for the difference of proportions of defective items.To find the proportion of San Diegans subscribed to Disney+ in 2019, a researcher randomly selected 200 people from San Diego and found that 101 were subscribed. a) Check that the assumptions are met for a confidence interval for proportions.
- A researcher who was interested in knowing how many people in a city supported a new retirement plan sampled 100 people from the city and found that 40% of these people were in favor of the new retirement plan. What is the upper limit of the 95% confidence intervalTo find the proportion of San Diegans subscribed to Disney+ in 2019, a researcher randomly selected 200 people from San Diego and found that 101 were subscribed. Find a 95% confidence interval estimate for the true proportion of San Diegans subscribed to Disney+. Round to four decimal places.In a sample of 1901 patients who underwent a certain type of surgery, 22% experiencedcomplications. Find a 90% confidence interval for the proportion of all those undergoingthis surgery who experience complications
- When 328 college students are randomly selected and surveyed, it is found that 122 own a car. Find the suggested sample size for the 95% confidence interval so that the sample percentage is no more than three percentage points of the true proportion.The St. Lucie County Economic Development Board needs to estimate the proportion of all county residents who have earned at least a bachelor's degree. A random sample conducted by the St. Lucie County Economic Development Board found that 20.8% of all county residents held at least a bachelor's degree.Find three different confidence intervals - one with sample size 487, one with sample size 777, and one with sample size 938. Assume that 20.8% of the county residents in each sample have earned at least a bachelor's degree. Notice how the sample size affects the margin of error and the width of the interval.Report confidence interval solutions using interval notation. Report all solutions in percent form, rounded to two decimal places, if necessary. When n=487n=487, the margin of error for a 95% confidence interval is given by .When n=487n=487, a 95% confidence interval is given by . When n=777n=777, the margin of error for a 95% confidence interval is given by .When n=777n=777, a 95%…