According to the National Institute on Alcohol Abuse and Alcoholism (NIAAA), and the National Institutes of Health (NIH), 41% of college students nationwide engage in “binge drinking” behavior, having five or more drinks on one occasion during the past two weeks. A college president wonders if the proportion of students enrolled at her college that binge drink is lower than the national proportion. In a commissioned study, 462 students are selected randomly from a list of all students enrolled at the college. Of these, 162 admitted to having engaged in binge drinking. Using the most conservative estimate, what sample size would be required to reduce the margin of error to 2 percentage points with 95% confidence? A)1924 B)2401 C)1692 D) 4802
Ans:
For conservative approach,
Consider p=0.5
Sample size required,n=1.96^2*0.5*(1-0.5)/0.02^2=2401
Correct option is 2401
According to the National Institute on Alcohol Abuse and Alcoholism (NIAAA), and the National Institutes of Health (NIH...
According to the National Institute on Alcohol Abuse and Alcoholism (NIAAA), and the National Institutes of Health (NIH), 41% of college students nationwide engage in “binge drinking” behavior, having five or more drinks on one occasion during the past two weeks. A college president wonders if the proportion of students enrolled at her college that binge drink is lower than the national proportion. In a commissioned study, 462 students are selected randomly from a list of all students enrolled at...
According to the National Institute on Alcohol Abuse and Alcoholism (NIAAA), and the National Institutes of Health (NIH), 41% of college students nationwide engage in “binge drinking” behavior, having 5 or more drinks in one occasion during the past two weeks. A college president wonders if the proportion of students enrolled at her college that binge drink is actually lower than the national proportion. In a commissioned study, 348 students are selected randomly from a list of all students enrolled...
According to the National Institute on Alcohol Abuse and Alcoholism (NIAAA), 41% of USA college students nationwide engage in “binge drinking” behavior, having five or more drinks in one occasion during the past two weeks. A college president wonders if the proportion of students enrolled at her college that binge drink is actually lower than the national proportion. In a commissioned study, 348 students are selected randomly from a list of all students enrolled at the college. Of these, 132...
According to the National Institute on Alcohol Abuse and Alcoholism (NAA) and the National Institutes of Health (NDH), 41% of college students nationwide engage in binge-drinking behavior having live or more drinks on one occasion during the past two weeks. A college president wonder if the proportion of students enroled at her college who hingedrink is actually lower than the national proportion. In a commissioned study. 350 students are selected randomly from a list of all students enrolled at the...
According to the National Institute on Alcohol Abuse and Alcohol (IAA) and the National Institutes of Health (NIH), 41% of college students nationwide enge in 'binge-wing behavior having five or more drinks on one occasion during the past two weeks. A college president wonder the proportion of students enrolled other college who ingedruk is actually lower than the national proportion. In a commissioned study. 250 wudents are selected randomly from a stof all students ered at the college of the...
30. According to the National Institute on Alcohol Abuse and Alcoholism (NIAAA), the National Institutes of Health (NIH), The mean number of alcoholic drinks consumed by college students per week nationwide is 5.3. A college president wonders if the mean number of drinks consumed per week by students enrolled at her college is actually lower than the national average. In a commissioned study, 68 students are selected rand om ly from a list of all students enrolled at the college....
7. The National Institute on Alcohol Abuse and Alcoholism defines binge drinking as a pattern of drinking that brings blood alcohol concentration (BAC) levels to 0.08g/dL. It is cited as the most common and deadly pattern of alcohol abuse in the country, which can cause many health problems such as alcohol poisoning, sudden infant death syndrome, and chronic diseases, to name a few. In the binge drinking fact sheet published by the Center for Disease Control and Prevention, the amount...
The National Institute on Alcohol Abuse and Alcoholism defines binge drinking as a pattern of drinking that brings blood alcohol concentration (BAC) levels to 0.08g/dL. It is cited as the most common and deadly pattern of alcohol abuse in the country, which can cause many health problems such as alcohol poisoning, sudden infant death syndrome, and chronic diseases, to name a few. In the binge drinking fact sheet published by the Center for Disease Control and Prevention, the amount of...
Example: Alcohol abuse is a serious health problem on college campuses. A nationwide survey of student at 140 four-year colleges in the U.S. defined "frequent binge drinking" as "having five or more drinks in a row three or more times in the past two week period." of the 17,096 students surveyed, 3,314 met this criterion. Assume the data represent a SRS of 4-year colleges (Wechsler. 1994; Moore & McCabe, 2006, p. 537). Calculate the prevalence of frequent binge drinking. Include...