Mathematics, 27.10.2020 18:00 alanis337455p4xzek
61. The 2003 Statistical Abstract of the United States reported the percentage of people 18 years of age and older who smoke. 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
Answers: 2
, where E = Margin of error
for 95% confidence level = 1.96
Another question on Mathematics
Mathematics, 21.06.2019 12:30
And explain how you got it so i can understand future problems : 3
Answers: 1
Mathematics, 21.06.2019 16:00
Afactory adds 3 red drops and 2 blue drops of coloring to white paint to make each pint of purple paint. the factory will make 50 gallons of the purple paint.how many drops of red and blue coloring will the factory need in the 50 gallon batch of purple paint.
Answers: 1
Mathematics, 21.06.2019 18:00
The chs baseball team was on the field and the batter popped the ball up. the equation b(t)=80t-16•16+3.5 represents the height of the ball above the ground in feet as a function of time in seconds. how long will the catcher have to get in position to catch the ball before it hits the ground? round to the nearest second
Answers: 3
You know the right answer?
61. The 2003 Statistical Abstract of the United States reported the percentage of people 18 years of...
Questions
Mathematics, 07.01.2020 19:31
Computers and Technology, 07.01.2020 19:31
Mathematics, 07.01.2020 19:31
English, 07.01.2020 19:31
Engineering, 07.01.2020 19:31
Chemistry, 07.01.2020 19:31
Mathematics, 07.01.2020 19:31
