A Poll of 1,190 Adults Found That 476 Felt Economic

Multiple Choice

A poll of 1,190 adults found that 476 felt economic problems were the most pressing of those facing the country. The sample proportion who expressed that opinion is:

A) unknown, because only information on 1,190 people is known.
B) unknown until the confidence level is decided.
C) 2.50.
D) 0.40.
E) 0.60.