A random sample of 120 college seniors found that 30% of them had been offered jobs. What is the standard error of the sample proportion?
A) 0.028
B) 0.042
C) 0.046
D) 0.082
E) 0.458
Answer: B
A random sample of 120 college seniors found that 30% of them had been offered jobs. What is the standard error of the sample proportion?
A) 0.028
B) 0.042
C) 0.046
D) 0.082
E) 0.458