In 2010, the GSS asked participants if they had often have trouble sleeping in the past 12 months. Is there a difference between the proportion of men and the proportion of women who often have trouble sleeping. Out of 575 males(1), 108 said yes. Out of 617 females(2), 161 said yes. The level of significance is 0.01. If an error is made, what type of error would it be?