Show Intro/Instructions Suppose your boss wants you to obtain a sample to estima
ID: 3042379 • Letter: S
Question
Show Intro/Instructions Suppose your boss wants you to obtain a sample to estimate a population proportion. At this point in time, you have no reasonable estimate for the value of the population proportion. You would like to be 99% confident that your estimate is within 0.5% 0.005) of the true population proportion. What is the minimum sample size required? IMPORTANT: Use a critical value that you found with your caleulator (not from a table), and round it to 3 places after the decimal point before you plug it into a formula and perform your calculations. Do not round-off any other intermediate results. PlExplanation / Answer
In thi case
If population proportion is not known then it will be taken as 0.5
So P = Q = 0.5
Sample size
n = (z critical / margin error)2 PQ
= (2.576 / 0.005)2 0.5*0.5
= 66357.76
Approximately 66358 samples are required