A random sample of 9th grade students was asked if they prefer their math problems using a pencil or a pen. Of the 250 surveyed, 100 preferred pencil and 150 preferred pen . Using the results of this survey, construct a 95% confidence interval for the proportion of 9th grade students that prefer their math problems using a pen. A school newspaper reported , " Over half of ninth graders prefer to use pen on their math assignments ." Is this statement supported by your confidence interval ?