Mathematics, 24.12.2020 16:10, dakotacsey03
you want to obtain a sample to estimate a population proportion. at this point in time, you have no reasonable preliminary estimation for the population proportion. you would like to be 95% confident that you estimate is within 2% of the true population proportion. how large of a sample size is required
Answers: 1
is
![n = [\frac{Z_{\frac{\alpha }{2} }}{E} ]^2 * \^ p (1 - \^ p )](/tpl/images/1007/2307/c7923.png)
![n =[\frac{ 1.96 }{ 0.02} ]^2 * 0.5 (1 -0.5 )](/tpl/images/1007/2307/291cb.png)
Other questions on the subject: Mathematics
Mathematics, 21.06.2019 13:30, love0000
The decibel level of sound is 50 db greater on a busy street than in a quiet room where the intensity of sound is watt/m2. the level of sound in the quiet room is db, and the intensity of sound in the busy street is watt/m2. use the formula , where is the sound level in decibels, i is the intensity of sound, and is the smallest sound intensity that can be heard by the human ear (roughly equal to watts/m2).
Answers: 1
Mathematics, 21.06.2019 16:00, anthonyjackson12aj
What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.
Answers: 1
Do you know the correct answer?
you want to obtain a sample to estimate a population proportion. at this point in time, you have no...
Questions in other subjects:
Social Studies, 31.07.2019 18:00
History, 31.07.2019 18:00
