Population mean on a math section of the sat

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A population mean on a math section of the SAT is 500 and the sd=100. 400 students are taking the SAT and their families income was 70,000 and 80,000 had a math SAT score of 511. I'm trying to find the point estimate for this group in addition to the 99% confidence interval.

Reference no: EM131703085

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