Homework Answers
I believe the correct answer to be as follows:
Percentage = (2198 / 321191461) x 100 = 0.00068433%.
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there are 2,198 cases in week 52 of 2018
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The Centers for Disease Control reported the percentage of people 18 years of age and older who smoke (CDC website, December 14, 2014). Supposc that a study designed to collect new data on smokers and nonsmokers uses a preliminary estmate of the proportion who smoke of .31 a. How large a sample should be taken to estimate the proportion of smokers in the population with a margin of error of .02 (to the nearest whole number)? Use 95% confidence. b....
The Centers for Disease Control reported the percentage of people 18 years of age and older...
The Centers for Disease Control reported the percentage of people 18 years of age and older who smoke (CDC website, December 14, 2014). Suppose that a study designed to collect new data on smokers and nonsmokers uses a preliminary estimate of the proportion who smoke of .35. a. How large a sample should be taken to estimate the proportion of smokers in the population with a margin of error of .02 (to the nearest whole number)? Use 95% confidence. b....
The Centers for Disease Control reported the percentage of people 18 years of age and older...
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#470. Confidence Intervals A survey is carried out at a university to estimate the percentage of undergraduate students who drive to campus to attend classes. If the SD of the population was 25%, then how many people would we need to poll to get a 90% confidence interval with a 2% margin of error? Remember that our answer is about actual people -- to answer this question you must round number to your up the nearest whole number (if you...
Frequency Distribution Question Help Frequency Distribution What percentage of people said 'yes, definitely"? contain mber of...
Frequency Distribution
Question Help Frequency Distribution What percentage of people said 'yes, definitely"? contain mber of cases tion : yes, 1376 finitely :yes, 53.2 693 26.8 14.6 5,4 Do you believe in heaven? no, no, olumn Total 377 139 2585 probably not definitely not Find the percentages of people who said "yes, definitely", 'yes, probably", "no, probably not", and "no, definitely not Enter your answer in the answer box and then click Check Answer.
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The Centers for Disease Control reported the percentage of people 18 years of age and older who smoke (CDC website, December 14, 2014). Supposc that a study designed to collect new data on smokers and nonsmokers uses a preliminary estmate of the proportion who smoke of .31 a. How large a sample should be taken to estimate the proportion of smokers in the population with a margin of error of .02 (to the nearest whole number)? Use 95% confidence. b....
The Centers for Disease Control reported the percentage of people 18 years of age and older who smoke (CDC website, December 14, 2014). Suppose that a study designed to collect new data on smokers and nonsmokers uses a preliminary estimate of the proportion who smoke of .35. a. How large a sample should be taken to estimate the proportion of smokers in the population with a margin of error of .02 (to the nearest whole number)? Use 95% confidence. b....
The Centers for Disease Control reported the percentage of people 18 years of age and older who smoke (CDC website, December 14, 2014). Suppose that a study designed to collect new data on smokers and nonsmokers uses a preliminary estimate of the proportion who smoke of .25. a. How large a sample should be taken to estimate the proportion of smokers in the population with a margin of error of .02 (to the nearest whole number)? Use 95% confidence. b....
The Centers for Disease Control reported the percentage of people 18 years of age and older who smoke (CDC website, December 14, 2014). Suppose that a study designed to collect new data on smokers and nonsmokers uses a preliminary estimate of the proportion who smoke of 27. a. How large a sample should be taken to estimate the proportion of smokers in the population with a margin of error of .02 (rounded up to the next whole number)? Use 95%...
Country A 144 Country B 82 43 8 18 10 Population (millions) Crude birth rate (number of live births per 1,000 people per year) Crude death rate (number of deaths per 1,000 people per year) Infant mortality rate (number of babies per 1,000 bom who die in first year of life) Total fertility rate (average number of children born to women during their childbearing years) % of population under 15 years old % of population older than 65 years Average...
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Frequency Distribution
Question Help Frequency Distribution What percentage of people said 'yes, definitely"? contain mber of cases tion : yes, 1376 finitely :yes, 53.2 693 26.8 14.6 5,4 Do you believe in heaven? no, no, olumn Total 377 139 2585 probably not definitely not Find the percentages of people who said "yes, definitely", 'yes, probably", "no, probably not", and "no, definitely not Enter your answer in the answer box and then click Check Answer.
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