A test has a mean of 42, standard deviation of 4.7, and standard error of measurement of 2.35. A student earned a raw score of 42. Using the 68% confidence level, what are the upper and lower boundaries of the band within which the student's score would likely fall upon retesting?

34.95 an 49.05

37.3 and 46.7

39.65 and 44.35

41.2 and 45.35