The mean amount of money spent on lunch per week for a sample of 95 students is $19. If the margin of error for the population mean with a 95 confidence interval is 1.90, construct a 95 confidence interval for the mean amount of money spent on lunch per week for all students. A) $17.10 - $20.90 B) $18.10 - $20.90 C) $17.10 - $21.90 D) $18.10 - $21.90