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What is the probability that the oak grove sample

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The mean entrance exam score for students from Oak Grove HS is 33.0 with standard deviation 2, and the the mean score for students from Elm Lane HS is 29.0 with standard deviation 2.5. Assume the exam scores are normally distributed. A sample of 25 students from Oak Grove and 33 students from Elm Lane are obtained. What is the probability that the Oak Grove sample mean will exceed the Elm Lane mean by 4 points?

Reference no: EM132855948

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