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

Answer 1

@hippoharry @Erak @legomyego180 @jhonyy9

Answer 2

i got 78(100-78)/100^3

Answer 3

its A