For a standardized psychology examination intended for psychology majors, the histoncal data show that scores have a mean of 515 and a standard devation of 170. The grading process of this year's exam has just begun. The mean score of the 35 exams graded so far is 528 . What is the probability that a sample of 35 exams will have a mean score of 528 or more if the exam scores follow the same distribution as in the past? Carry your intermediate computations to at least four decmal places. Round your answer to at least three decimal places