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Scores on the SAT Mathematics test (SAT-M) are believed to be Normally distributed, with mean μ. The scores of a random sample of three students who recently took the exam are 550, 620, and 480. A 95% confidence interval for μ based on these data is A. 550.00 ± 173.88. B. 550.00 ± 142.00. C. 550.00 ± 128.58. D. 550.00 ± 105.01.

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I say either B or C...

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this math is waaaaay out of my smartzone
i have no idea hahahah
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WE LET THE TEAM DOWN
It's okay KG you're still the best.
thanks kdawg i appreciate the love
Kaw Kaw.
are you a bird...........
Yes :).

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