Question

In: Statistics and Probability

The American Heart Association is about to conduct an anti-smoking campaign and wants to know the...

The American Heart Association is about to conduct an anti-smoking campaign and wants to know the fraction of Americans over 49 who smoke. Step 2 of 2: Suppose a sample of 1267 Americans over 49 is drawn. Of these people, 367 smoke. Using the data, construct the 98% confidence interval for the population proportion of Americans over 49 who smoke. Round your answers to three decimal places.

Solutions

Expert Solution

orchestra answered 1 year ago
Next > < Previous

Related Solutions

The American Heart Association is about to conduct an anti-smoking campaign and wants to know the...
The American Heart Association is about to conduct an anti-smoking campaign and wants to know the fraction of Americans over 36 who smoke. Step 1 of 2: Suppose a sample of 632 Americans over 36 is drawn. Of these people, 430 430 don't smoke. Using the data, estimate the proportion of Americans over 36 36 who smoke. Enter your answer as a fraction or a decimal number rounded to three decimal places then calculate lower and upper endpoints
The American Heart Association is about to conduct an anti-smoking campaign and wants to know the...
The American Heart Association is about to conduct an anti-smoking campaign and wants to know the fraction of Americans over 42 who smoke. Step 2 of 2: Suppose a sample of 897 Americans over 42 is drawn. Of these people, 637 don't smoke. Using the data, construct the 95%confidence interval for the population proportion of Americans over 42 who smoke. Round your answers to three decimal places.
The American Heart Association is about to conduct an anti-smoking campaign and wants to know the...
The American Heart Association is about to conduct an anti-smoking campaign and wants to know the fraction of Americans over 2222 who smoke. Step 2 of 2 :   Suppose a sample of 1421 Americans over 22 is drawn. Of these people, 953 don't smoke. Using the data, construct the 90% confidence interval for the population proportion of Americans over 22 who smoke. Round your answers to three decimal places.
The American Heart Association is about to conduct an anti-smoking campaign and wants to know the...
The American Heart Association is about to conduct an anti-smoking campaign and wants to know the fraction of Americans over 25 who smoke. Step 1 of 2: Suppose a sample of 2017 Americans over 25 is drawn. Of these people, 564 smoke. Using the data, estimate the proportion of Americans over 25 who smoke. Enter your answer as a fraction or a decimal number rounded to three decimal places. Step 2 of 2: Suppose a sample of 2017 Americans over...
1. The American Heart Association is about to conduct an anti-smoking campaign and wants to know...
1. The American Heart Association is about to conduct an anti-smoking campaign and wants to know the fraction of Americans over 31 31 who smoke. In an earlier study, the population proportion was estimated to be 0.2 0.2 . How large a sample would be required in order to estimate the fraction of Americans over 31 31 who smoke at the 95% 95% confidence level with an error of at most 0.03 0.03 ? Round your answer up to the...
identify the american heart association. Briefly describe the american heart association and what it does in...
identify the american heart association. Briefly describe the american heart association and what it does in the healthcare field. Is this enough information?
The American Heart Association in collaboration with the American Academy of Pediatrics, American Association for Respiratory...
The American Heart Association in collaboration with the American Academy of Pediatrics, American Association for Respiratory Care, American College of Emergency Physicians, The Society of Critical Care Anesthesiologists, and American Society of Anesthesiologists recently released a new guidance document surrounding the use of CPR during the COVID-19 pandemic. The guidelines state, “it is reasonable to consider age, comorbidities, and severity of illness in determining the appropriateness of resuscitation and balance the likelihood of success against the risk to rescuers and...
A 10-year study conducted by the American Heart Association provided data on how age, blood pressure, and smoking relate to the risk of strokes.
A 10-year study conducted by the American Heart Association provided data on how age, blood pressure, and smoking relate to the risk of strokes. Data from a portion of this study follow. Risk is interpreted as the probability (times 100) that a person will have a stroke over the next 10-year period. For the smoker variable, 1 indicates a smoker and 0 indicates a nonsmoker. Risk Age Blood Pressure Smoker 12 57 152 0 24 67 163 0 13 58...
1. According to the American Heart Association, 48% of Americans have some form of heart disease...
1. According to the American Heart Association, 48% of Americans have some form of heart disease (including high blood pressure). A physician randomly samples 200 people and 49.5% of those sampled have some form of heart disease. a. Which value above is a parameter and which is a statistic? b. If tomorrow you were going to sample 600 people, around what value do you think the sample percentage will be? Do you think it will be exactly that value? 2....
A brewery wants to conduct a Marketing campaign. Therefore the marketing department is interested in the...
A brewery wants to conduct a Marketing campaign. Therefore the marketing department is interested in the unknown Proportion of college students that buy beer. 425 customers were asked, and 351 of them where college students. a) Calculate the 99% Confidence Interval for the unknown proportion of buyers that are college students b) In order to conduct the campaign, the executive board demands, that more than 85% of the customers are college students. Test if this level is fulfilled up until...
ADVERTISEMENT
Subjects
ADVERTISEMENT
Latest Questions
ADVERTISEMENT