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Section 6.3: Problem 4 Previous Problem Problem List Next Problem (1 point) The scores of students on the SAT college entrance examinations at a certain high school had a normal distribution with mean u = 559.6 and standard deviation o = 30. (a) What is the probability that a single student randomly chosen from all those taking the test scores 566 or higher? ANSWER: For parts (b) through (d), consider a simple random sample (SRS) of 35 students who took the test. (b) What are the mean and standard deviation of the sample mean score , of 35 students? The mean of the sampling distribution for ar is: The standard deviation of the sampling distribution for a is: (c) What z-score corresponds to the mean score a of 566? ANSWER: (d) What is the probability that the mean score a of these students is 566 or higher? ANSWER: Note: You can earn partial credit on this problem. Preview My Answers Submit Answers O