A random sample of 100 undergraduate students at a university found that 78 of them had used the university library’s website to find resources for a class. What is the margin of error for the true proportion of all undergraduates who had used the library’s website to find resources for a class?
A.) 0.04
B.) 0.08
C.) 0.1
D.) 0.12

Question

A random sample of 100 undergraduate students at a university found that 78 of them had used the university library’s website to find resources for a class. What is the margin of error for the true proportion of all undergraduates who had used the library’s website to find resources for a class?
A.) 0.04
B.) 0.08
C.) 0.1
D.) 0.12

e.mccormick · Answer

Two things: 1, ask in math. 2, I do not think you have enough information in the question to answer it. http://stattrek.com/estimation/margin-of-error.aspx