Mathematics, 21.05.2020 22:14 austinbeesley9855
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.
Required:
Using the most conservative estimate, what sample size would be required to reduce the margin of error to 2 percentage points?
Answers: 2
![n=[\frac{z_{\alpha/2}\times \sqrt{\hat p(1-\hat p)}}{MOE}]^{2}](/tpl/images/0659/9952/cffa1.png)
![=[\frac{1.96\times\sqrt{0.351(1-0.351)}}{0.02}]^{2}\\\\=2187.781596\\\\\approx 2188](/tpl/images/0659/9952/01da4.png)
Another question on Mathematics
Mathematics, 22.06.2019 00:00
Which of the following are arithmetic sequences? check all that apply. a. 0.3, 0.6, 0.9, 1.2, 1.5, b. 2, 3, 6, 11, 18, c. 150, 147, 144, 142, d. 2, 4, 9, 16, 25,
Answers: 1
Mathematics, 22.06.2019 04:00
Grace paid $1.70 for 5 ounces of candy. how much did she pay for 24 ounces?
Answers: 1
Mathematics, 22.06.2019 04:30
What is the hypotenuse of a triangle with 4 ft and 5 ft
Answers: 1
Mathematics, 22.06.2019 05:50
Use the real number line shown below to complete the statement
Answers: 1
You know the right answer?
According to the National Institute on Alcohol Abuse and Alcoholism (NIAAA), and the National Instit...
Questions
Social Studies, 15.01.2020 21:31
Computers and Technology, 15.01.2020 21:31
English, 15.01.2020 21:31
