Please answer

The director of admissions at the University of Maryland, University College is concerned about the high cost of textbooks for the students each semester. A sample of 25 students enrolled in the university indicates that x(bar) = $315.40 and s = $43.20. A mean that is not in a confidence interval is rejected by the confidence interval, and we say the evidence against the mean is significant. At the 0.10 level of significance, is there evidence against mean $300? O No, because 300 is below the lower limit of the confidence interval O Yes, because 300 is below the lower limit of the confidence interval No, because 300 is in the confidence interval O Yes, because 300 is in the confidence interval