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Math · Statistics And Probability
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Previous roblem List Next (1 point) The scores of students on the SAT college entrance examinations at a certain high school had a normal distribution with mean Au 547 and standard deviation or 26.1 (a) at is the probability that a single student randomly chosen from all those taking the test scores 553 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 a, of 35 students? The mean of the sampling distribution for is The standard deviation of the sampling distribution for T is (c) What z-score corresponds to the mean score of 553? ANSWER (d) What is the probability that the mean score of these students is 553 or higher? ANSWER

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