![subject](/tpl/images/cats/mat.png)
Mathematics, 13.12.2019 20:31 halllawson
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 .30.
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. assume that the study uses your sample size recommendation in part (a) and finds 520 smokers. what is the point estimate of the proportion of smokers in the population (to 4 decimals)?
c. what is the 95% confidence interval for the proportion of smokers in the population (to 4 decimals)?
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Other questions on the subject: Mathematics
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:00, faizaanahmed4p7gn2z
The lengths of all sides of a triangle are integers when measured in decimeters. one of the sides has length of 1 dm and another of 3 dm. find the perimeter of the triangle.'
Answers: 1
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:20, harmonytaylor13
Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.
Answers: 1
![image](/tpl/images/cats/mat.png)
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:00, desereemariahha
Someone answer asap for ! the following statements are true about the coins calvin and sasha have collected. * calvin and sasha has the same amount of money. * calvin has only quarters. * sasha has dimes, nickels, and pennies * calvin has the same number of quarters as sasha has dimes. * sasha has $1.95 in coins that are not dimes. exactly how many quarters does calvin have?
Answers: 3
You know the right answer?
The centers for disease control reported the percentage of people 18 years of age and older who smok...
Questions in other subjects:
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/obshestvoznanie.png)
![Konu](/tpl/images/cats/geografiya.png)
Geography, 03.11.2020 19:10
![Konu](/tpl/images/cats/en.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 03.11.2020 19:10
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/istoriya.png)
History, 03.11.2020 19:10
![Konu](/tpl/images/cats/mkx.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 03.11.2020 19:10
![Konu](/tpl/images/cats/biologiya.png)
Biology, 03.11.2020 19:10