Chronic illness tn 2013, the pe Research Foundation reported that 045% of u.S ad
ID: 3074644 • Letter: C
Question
Chronic illness tn 2013, the pe Research Foundation reported that 045% of u.S adults report that they live with one or more chronic condition so following statements as true or false. and the standard error for th s estrate s 1 2. Identhe each of A) We can say with certainty that a 95% confidence interval contains the true percentage of us. adults who suffer from a chronic illness. (See Opent tro s stics Exercise 4.7 toca date th interval.)-Select B) If wo repeated this study 1,000 times and constructed a 95% confidence interval for each study, then approximately 950 of those confidence intervals w ould contain the run hace on LS who suffer from chronic illnesses. Select C The poll provides statistically significant evidence at th e a ha-OOS level that the percentage of us, adults who suffer from chronic illnesses is below 50%, tint Use the cor de ce calculated in OpenIntro Statistics Exercise 4.7)-Select- D) Since the standard error is 1.2%, only 1.2% of people in the study communicated uncertainty about their answer. -Seo-Explanation / Answer
Answer to part A)
Statement I:
This statement is false, it is not 95% confidence interval that contains he ture percent of US
Statement II:
This statement is true, this is the correct interpretation of confidence intervals, that if 1000 samples are taken, 950 of them will contain the true population mean
Statement III:
Yes, this is statement is true, if the interval does not contain 0.50 in its range, then there is significant evidence that the true proportion of less than 0.50
Statement IV:
This is statement is false, there is no interpretation about the standard error from the perspective of confidence interval
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